Astronomie & Astrophysique

3,820 topics in this forum

1. Comparaison de taille des planètes

   By Spaceaddict0, 20 hours ago
   • 0 replies
   • 54 views
   • 
   • Spaceaddict0
   • 20 hours ago

2. big bang de partout ou pas ? 1 2

   By Achaim, January 31, 2019
   • 53 replies
   • 1,473 views
   • 
   • bang*gib
   • Saturday at 09:35 PM

3. Pensez-vous que nous sommes seuls dans la voie lactée? 1 2 3 4 19

   By alfa015, March 3, 2019
   • 552 replies
   • 16,901 views
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   • kerozene
   • March 23

4. Interstellar : exactitude scientifique, divagations et comparaisons 1 2 3 4 5

   By Alain_G, February 11
   • 134 replies
   • 3,037 views
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   • Kastro
   • March 22

5. Plus vite que la vtesse de la lumière ?

   By koste, September 12, 2019
   • 16 replies
   • 908 views
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   • bang*gib
   • March 13

6. Trou noir et vitesse de la lumière

   By Ludo J., March 12
   • 4 replies
   • 115 views
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   • bongibong
   • March 13

7. Météorites qui tombent à pic ?

   By Angélique1992, January 27
   • 15 replies
   • 574 views
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   • Fred_76
   • March 11

8. longueurs des poses en astrophoto

   By clem_astro, March 7
   • 0 replies
   • 73 views
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   • clem_astro
   • March 7

9. catalogue messier

   By clem_astro, March 3
   • 2 replies
   • 115 views
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   • clem_astro
   • March 6

10. Qui veut trouver des trous noirs ?

    By Pyrene, March 4
    • 1 reply
    • 116 views
    • 
    • Fulie28
    • March 4

11. question sur la gravité

    By Phoenixia, February 20
    • 7 replies
    • 252 views
    • 
    • Phoenixia
    • February 27

12. Première image de planètes semblables à la Terre en 2025

    By Albert015, February 22
    • 0 replies
    • 168 views
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    • Albert015
    • February 22

13. Éclipses du système de Jupiter

    By jeremieC, February 20
    • 4 replies
    • 148 views
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    • roger15
    • February 22

14. (16) Psyché et sa probable fake news

    By popov, February 7
    • 4 replies
    • 221 views
    • 
    • Vincent_BZH
    • February 8

15. coordonnées et dimension des objets dans le ciel

    By antoinebba, February 4
    • 2 replies
    • 153 views
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    • antoinebba
    • February 4

16. Superstar starlight xpress mono

    By Jpq41, February 4
    • 0 replies
    • 103 views
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    • Jpq41
    • February 4

17. Etoiles carbonées

    By chab, January 25
    • 2 replies
    • 184 views
    • 
    • gerard33
    • January 28

18. La date de la création de l’univers

    By Selrahcarev, January 21
    • 9 replies
    • 359 views
    • 
    • Selrahcarev
    • January 25

19. peut-ont dire que ? ...

    By damien-astro, January 11
    • 21 replies
    • 568 views
    • 
    • Fulie28
    • January 18

20. Qu'est-ce que "l'univers observable"?

    By Neoxys, January 15
    • 7 replies
    • 297 views
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    • Fred_76
    • January 16

21. Forme de l'univers 1 2 3 4 6

    By DrFollamous, June 25, 2019
    • 151 replies
    • 4,730 views
    • 
    • Guilaume
    • January 16

22. Une étoile insignifiante titille ma curiosité.. (astrometrie)

    By andreaferrecchia86, January 4
    • 6 replies
    • 362 views
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    • andreaferrecchia86
    • January 7

23. Débuter astrophysique.. mais par ou?

    By PrivHateVoid, January 6
    • 2 replies
    • 202 views
    • 
    • tata zize
    • January 7

24. Défi: Connaître Heure et Date du jour grâce à l'astronomie?

    By andreaferrecchia86, October 20, 2016
    • 15 replies
    • 2,259 views
    • 
    • andreaferrecchia86
    • January 4

25. Io Europe lunes Jupiter effet de marée

    By kaleosi, December 22, 2019
    • 5 replies
    • 302 views
    • 
    • Denis Udrea
    • January 4