{"id":1804,"date":"2025-07-24T11:50:40","date_gmt":"2025-07-24T09:50:40","guid":{"rendered":"https:\/\/www.vulcania.com\/science\/?page_id=1804"},"modified":"2025-10-22T15:08:41","modified_gmt":"2025-10-22T13:08:41","slug":"le-saviez-vous-espace","status":"publish","type":"page","link":"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/","title":{"rendered":"Le saviez-vous ? – Espace"},"content":{"rendered":"

[vc_row el_class=\u00a0\u00bbbloc-titre\u00a0\u00bb][vc_column][vc_column_text el_class=\u00a0\u00bbintro\u00a0\u00bb]L\u2019espace regorge de faits fascinants, parfois \u00e9tonnants, souvent m\u00e9connus… Des lunes plus grandes qu\u2019une plan\u00e8te aux larmes qui ne tombent plus, chaque recoin du cosmos nous invite \u00e0 repenser nos rep\u00e8res terrestres.<\/p>\n

D\u00e9roulez les onglets ci-dessous pour un voyage express \u00e0 travers quelques curiosit\u00e9s de l\u2019univers ![\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbbloc-titre\u00a0\u00bb][vc_column][vc_tta_accordion active_section=\u00a0\u00bb0″ collapsible_all=\u00a0\u00bbtrue\u00a0\u00bb][vc_tta_section title=\u00a0\u00bbPlan\u00e8tes\u00a0\u00bb tab_id=\u00a0\u00bb1753349143527-82a77d96-7d17″][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

V\u00e9nus \u00e0 contretemps ?<\/h2>\n

La dur\u00e9e d\u2019une ann\u00e9e sur V\u00e9nus est plus courte que celle d\u2019une journ\u00e9e.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1880″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Pluies infernales<\/h2>\n

Il pleut pratiquement sans discontinue de l\u2019acide sulfurique dans l\u2019atmosph\u00e8re de V\u00e9nus, mais la temp\u00e9rature \u00e9tant trop \u00e9lev\u00e9e au sol (460\u00b0), cette derni\u00e8re n\u2019atteint jamais le sol.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1825″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Colosse martien<\/h2>\n

Mars abrite le plus gros volcan du Syst\u00e8me Solaire \u00ab\u00a0Olympus Mons\u00a0\u00bb.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1881″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

L’\u0153il du g\u00e9ant gazeux<\/h2>\n

La grande t\u00e2che rouge de Jupiter est une temp\u00eate grande comme 1.2 fois la taille de la Terre et o\u00f9 souffle des vents \u00e0 plus de 600 km\/h.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1842″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Plus l\u00e9g\u00e8re que l\u2019eau<\/h2>\n

La densit\u00e9 de Saturne est tellement faible (inf\u00e9rieur \u00e0 l\u2019eau), qu\u2019elle pourrait flotter sur n\u2019importe quel oc\u00e9an de la Terre.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1833″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Une plan\u00e8te peu press\u00e9e ?<\/h2>\n

Depuis sa d\u00e9couverte (1846), Neptune n\u2019a effectu\u00e9 qu\u2019un seul tour autour du Soleil.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1896″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section title=\u00a0\u00bbLune et autres satellites naturels\u00a0\u00bb tab_id=\u00a0\u00bb1753349143577-2d0f903a-219d\u00a0\u00bb][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

La Lune pour derni\u00e8re demeure<\/h2>\n

Un homme est enterr\u00e9 sur la Lune (Eugene Shoemaker).[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1894″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Swing lunaire<\/h2>\n

On a jou\u00e9 au golf sur la Lune. C\u2019est Allan Shepard lors de la mission Apollo 14 qui a r\u00e9alis\u00e9 cette exp\u00e9rience.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1892″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Trompe-l’\u0153il lunaire<\/h2>\n

La Lune semble plus grosse lorsqu\u2019elle est proche de l\u2019horizon. En r\u00e9alit\u00e9 ce n\u2019est pas le cas, il s\u2019agit d\u2019une tromperie de votre cerveau, une illusion d\u2019optique.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1830″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Lunes en t\u00eate<\/h2>\n

Avec leur diam\u00e8tre de plus de 5000 km, Ganym\u00e8de (satellite de Jupiter) et Titan (satellite de Saturne), d\u00e9passent tous les deux en taille la plan\u00e8te Mercure.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1879″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section title=\u00a0\u00bbPh\u00e9nom\u00e8nes cosmiques\u00a0\u00bb tab_id=\u00a0\u00bb1753350058453-fbcf2cf4-1906″][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Plus grand que nature<\/h2>\n

On grandit dans l\u2019espace ! Etant moins soumis \u00e0 la gravit\u00e9, un astronaute peut gagner jusqu\u2019\u00e0 3% de sa taille initiale.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1886″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Moins triste dans l’espace ?<\/h2>\n

En \u00e9tat d\u2019apesanteur, les larmes ne coulent pas des yeux.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1888″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Rencontre in\u00e9vitable<\/h2>\n

La galaxie d\u2019Androm\u00e8de, notre plus proche voisine, fusionnera avec la Voie lact\u00e9e dans environ 5 milliards d\u2019ann\u00e9es.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1884″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Pas si vite !<\/h2>\n

Si nous pouvions voyager \u00e0 la vitesse d\u2019une formule 1 (300 km\/h), 24h\/24, 7j\/7, nous atteindrons le Soleil dans 57 ans.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1836″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Silence absolu<\/h2>\n

L\u2019espace \u00e9tant d\u00e9pourvu d\u2019air (vide), le son ne peut pas se propager. Dans l\u2019espace c\u2019est le silence total.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1838″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section title=\u00a0\u00bbTerre\u00a0\u00bb tab_id=\u00a0\u00bb1753350227707-78ccfea7-3133″][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Question d\u2019\u00e9chelle<\/h2>\n

Sur une maquette de la Terre dont le diam\u00e8tre serait de 40 cm, l\u2019atmosph\u00e8re aurait une \u00e9paisseur de moins d\u2019un millim\u00e8tre.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1828″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Bombardement cosmique<\/h2>\n

Chaque ann\u00e9e, plus de 100\u00a0000 tonnes de poussi\u00e8res m\u00e9t\u00e9oritiques tombent sur Terre.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1837″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section title=\u00a0\u00bb\u00c9toiles\u00a0\u00bb tab_id=\u00a0\u00bb1753350328963-f895784a-fac7″][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Alerte rouge !<\/h2>\n

B\u00e9telgeuse, une g\u00e9ante rouge de la constellation du Bouvier, est tellement grosse que si nous la mettions \u00e0 la place du Soleil, elle engloberait l\u2019orbite de Mars.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1898″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Une plage d\u2019\u00e9toiles<\/h2>\n

Il y aurait plus d\u2019\u00e9toiles dans l\u2019Univers que de grain de sable sur Terre.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1891″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

La cuill\u00e8re \u00e0 10 millions de tonnes<\/h2>\n

Une \u00e9toile \u00e0 neutrons est un astre poss\u00e9dant une densit\u00e9 ph\u00e9nom\u00e9nale. A titre de comparaison, une cuill\u00e8re de mati\u00e8re de cette \u00e9toile p\u00e8serait 10 millions de tonnes sur Terre.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1882″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Poussi\u00e8re d\u2019\u00e9toiles<\/h2>\n

Tous les atomes qui composent notre corps ont \u00e9t\u00e9 cr\u00e9\u00e9s dans le c\u0153ur des \u00e9toiles et ont ensuite \u00e9t\u00e9 rejet\u00e9s dans l\u2019espace lors d\u2019explosions stellaire appel\u00e9s supernovae.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1834″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section title=\u00a0\u00bbExploration spatiale\u00a0\u00bb tab_id=\u00a0\u00bb1753350397062-8b8f2e4c-2eea\u00a0\u00bb][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

De Neptune \u00e0 la Terre<\/h2>\n

La puissance des signaux que Voyager 2, alors \u00e0 proximit\u00e9 de Neptune, envoya \u00e0 la Terre, \u00e9tait 20 milliards de fois plus faible que celle des piles d\u2019une montre bracelet digitale.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1807″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][vc_row_inner content_placement=\u00a0\u00bbmiddle\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb3\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_column_text]<\/p>\n

Un long voyage…<\/h2>\n

La sonde Voyager 1 est \u00e0 ce jour l\u2019objet de construction humaine le plus lointain jamais envoy\u00e9. Sa vitesse d\u2019environ 60 000 km\/h lui permettra d\u2019attendre Proxima du Centaure (l\u2019\u00e9toile la plus proche de la Terre) dans seulement 40 000 ans.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/4″][vc_empty_space height=\u00a0\u00bb30″][vc_single_image image=\u00a0\u00bb1840″ img_size=\u00a0\u00bb\u00a0\u00bb alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_rounded\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][\/vc_tta_accordion][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbbloc-titre\u00a0\u00bb][vc_column][vc_empty_space height=\u00a0\u00bb30″][\/vc_column][\/vc_row][vc_row][vc_column]

<\/span><\/span>

Exp\u00e9rimentez \u00e0 Vulcania<\/h4><\/span><\/span>\n<\/div>
<\/div><\/div><\/div>
\n\t
\n\t\t\n\t\t
\n\t\t\t\"\"<\/a>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div>
\n\t
\n\t\t
\n\t\t\t

Le Plan\u00e9tarium<\/h3>\n

D\u00e9couvrez les objets c\u00e9lestes observables, le volcanisme extra-terrestre, ou encore le quotidien des astronautes de l'ISS au plan\u00e9tarium de Vulcania (nouveaut\u00e9 2023).<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

En savoir plus sur \"Le Plan\u00e9tarium\"<\/a><\/div><\/div><\/div><\/div>
<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"Exp\u00e9rimentez \u00e0 Vulcania Le Plan\u00e9tarium D\u00e9couvrez les objets c\u00e9lestes observables, le volcanisme extra-terrestre, ou encore le quotidien des astronautes de l'ISS au plan\u00e9tarium de Vulcania (nouveaut\u00e9 2023). En savoir plus sur \"Le Plan\u00e9tarium\"","protected":false},"author":4,"featured_media":1805,"parent":101,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"tags":[21,37,19],"acf":[],"yoast_head":"\nLe saviez-vous ? - Espace<\/title>\n<meta name=\"description\" content=\"Des faits \u00e9tonnants et des chiffres cl\u00e9s sur l'Espace. Testez vos connaissances sur les plan\u00e8tes du Syst\u00e8me solaire, les \u00e9toiles ou encore l'exploration spatiale !\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vulcania vous d\u00e9livre 24 anecdotes sur les volcans du monde\u2026\" \/>\n<meta property=\"og:description\" content=\"Quel est le plus grand crat\u00e8re volcanique ? Quel est le volcan le plus meurtrier ? Retrouvez des anecdotes surprenantes sur les volcans\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/\" \/>\n<meta property=\"og:site_name\" content=\"Vulcania Sciences\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ParcVulcania\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-22T13:08:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2023\/02\/opengraph_reperes_1200x630_v2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Vulcania vous d\u00e9livre 24 anecdotes sur les volcans du monde\u2026\" \/>\n<meta name=\"twitter:description\" content=\"Quel est le plus grand crat\u00e8re volcanique ? Quel est le volcan le plus meurtrier ? Retrouvez des anecdotes surprenantes sur les volcans\u2026\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2023\/02\/opengraph_reperes_1200x630_v2.jpg\" \/>\n<meta name=\"twitter:site\" content=\"@parc_vulcania\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/\",\"url\":\"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/\",\"name\":\"Le saviez-vous ? - Espace\",\"isPartOf\":{\"@id\":\"https:\/\/www.vulcania.com\/science\/#website\"},\"datePublished\":\"2025-07-24T09:50:40+00:00\",\"dateModified\":\"2025-10-22T13:08:41+00:00\",\"description\":\"Des faits \u00e9tonnants et des chiffres cl\u00e9s sur l'Espace. Testez vos connaissances sur les plan\u00e8tes du Syst\u00e8me solaire, les \u00e9toiles ou encore l'exploration spatiale !\",\"breadcrumb\":{\"@id\":\"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\/\/www.vulcania.com\/science\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Rep\u00e8res\",\"item\":\"https:\/\/www.vulcania.com\/science\/reperes\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Le saviez-vous ? – Espace\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.vulcania.com\/science\/#website\",\"url\":\"https:\/\/www.vulcania.com\/science\/\",\"name\":\"Vulcania Sciences\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.vulcania.com\/science\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.vulcania.com\/science\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.vulcania.com\/science\/#organization\",\"name\":\"Vulcania Sciences\",\"url\":\"https:\/\/www.vulcania.com\/science\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.vulcania.com\/science\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2017\/06\/logo.png\",\"contentUrl\":\"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2017\/06\/logo.png\",\"width\":314,\"height\":142,\"caption\":\"Vulcania Sciences\"},\"image\":{\"@id\":\"https:\/\/www.vulcania.com\/science\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/ParcVulcania\",\"https:\/\/twitter.com\/parc_vulcania\",\"https:\/\/www.youtube.com\/user\/ParcVulcania\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Le saviez-vous ? - Espace","description":"Des faits \u00e9tonnants et des chiffres cl\u00e9s sur l'Espace. Testez vos connaissances sur les plan\u00e8tes du Syst\u00e8me solaire, les \u00e9toiles ou encore l'exploration spatiale !","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/","og_locale":"fr_FR","og_type":"article","og_title":"Vulcania vous d\u00e9livre 24 anecdotes sur les volcans du monde\u2026","og_description":"Quel est le plus grand crat\u00e8re volcanique ? Quel est le volcan le plus meurtrier ? Retrouvez des anecdotes surprenantes sur les volcans\u2026","og_url":"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/","og_site_name":"Vulcania Sciences","article_publisher":"https:\/\/www.facebook.com\/ParcVulcania","article_modified_time":"2025-10-22T13:08:41+00:00","og_image":[{"width":1200,"height":630,"url":"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2023\/02\/opengraph_reperes_1200x630_v2.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_title":"Vulcania vous d\u00e9livre 24 anecdotes sur les volcans du monde\u2026","twitter_description":"Quel est le plus grand crat\u00e8re volcanique ? Quel est le volcan le plus meurtrier ? Retrouvez des anecdotes surprenantes sur les volcans\u2026","twitter_image":"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2023\/02\/opengraph_reperes_1200x630_v2.jpg","twitter_site":"@parc_vulcania","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/","url":"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/","name":"Le saviez-vous ? - Espace","isPartOf":{"@id":"https:\/\/www.vulcania.com\/science\/#website"},"datePublished":"2025-07-24T09:50:40+00:00","dateModified":"2025-10-22T13:08:41+00:00","description":"Des faits \u00e9tonnants et des chiffres cl\u00e9s sur l'Espace. Testez vos connaissances sur les plan\u00e8tes du Syst\u00e8me solaire, les \u00e9toiles ou encore l'exploration spatiale !","breadcrumb":{"@id":"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.vulcania.com\/science\/reperes\/le-saviez-vous-espace\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/www.vulcania.com\/science\/"},{"@type":"ListItem","position":2,"name":"Rep\u00e8res","item":"https:\/\/www.vulcania.com\/science\/reperes\/"},{"@type":"ListItem","position":3,"name":"Le saviez-vous ? – Espace"}]},{"@type":"WebSite","@id":"https:\/\/www.vulcania.com\/science\/#website","url":"https:\/\/www.vulcania.com\/science\/","name":"Vulcania Sciences","description":"","publisher":{"@id":"https:\/\/www.vulcania.com\/science\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.vulcania.com\/science\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.vulcania.com\/science\/#organization","name":"Vulcania Sciences","url":"https:\/\/www.vulcania.com\/science\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.vulcania.com\/science\/#\/schema\/logo\/image\/","url":"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2017\/06\/logo.png","contentUrl":"https:\/\/www.vulcania.com\/science\/wp-content\/uploads\/2017\/06\/logo.png","width":314,"height":142,"caption":"Vulcania Sciences"},"image":{"@id":"https:\/\/www.vulcania.com\/science\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ParcVulcania","https:\/\/twitter.com\/parc_vulcania","https:\/\/www.youtube.com\/user\/ParcVulcania"]}]}},"_links":{"self":[{"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/pages\/1804"}],"collection":[{"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/comments?post=1804"}],"version-history":[{"count":44,"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/pages\/1804\/revisions"}],"predecessor-version":[{"id":1910,"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/pages\/1804\/revisions\/1910"}],"up":[{"embeddable":true,"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/pages\/101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/media\/1805"}],"wp:attachment":[{"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/media?parent=1804"}],"wp:term":[{"taxonomy":"tags","embeddable":true,"href":"https:\/\/www.vulcania.com\/science\/wp-json\/wp\/v2\/tags?post=1804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}