Astronomie & Astrophysique

4,210 topics in this forum

1. sujet TIPE 2025/2026

   By lohan, March 9
   • 1 reply
   • 7 views
   • 
   • GeoffreyJoe
   • 14 minutes ago

2. Questions sur la densité des trous noirs.

   By Bart Simpson, Monday at 05:55 PM
   • 23 replies
   • 358 views
   • 
   • 'Bruno
   • 6 hours ago

3. Problème de cosmologie

   By dauphin-joyeux, March 14
   • 19 replies
   • 422 views
   • 
   • 'Bruno
   • Tuesday at 07:46 AM

4. La matière noire n'existe pas

   By Pyrene, March 9, 2024
   • 18 replies
   • 1.2k views
   • 
   • Bill24
   • March 16

5. la vie à base de silicium 1 2

   By helie, February 11
   • 39 replies
   • 1k views
   • 
   • fredogoto
   • March 7

6. c'est quoi ??

   By doogee67, November 29, 2024
   • 5 replies
   • 559 views
   • 
   • VNA
   • March 6

7. IC1396 - APN Canon 700D

   By David31170, February 26
   • 0 replies
   • 114 views
   • 
   • David31170
   • February 26

8. Qu’est-ce que la vitesse radiale ?

   By charleon, February 26
   • 4 replies
   • 193 views
   • 
   • Ygogo
   • February 26

9. Identification

   By Pascal13390, February 25
   • 17 replies
   • 306 views
   • 
   • GeoffreyJoe
   • February 25

10. PYREENES paysage de nuit de La GOURETTE.

    By Elgood, February 23
    • 1 reply
    • 163 views
    • 
    • fdudu
    • February 23

11. L espace temps

    By rico77, February 12
    • 3 replies
    • 110 views
    • 
    • michelB
    • February 22

12. Quelle télescope choisir ?

    By Jothunheim, February 16
    • 6 replies
    • 182 views
    • 
    • Jothunheim
    • February 16

13. Pourquoi le verrouillage de la face visible de la lune?

    By Bart Simpson, January 31
    • 19 replies
    • 684 views
    • 
    • 22Ney44
    • February 16

14. Petit mais costaud le neutrino !!

    By Sobiesky, February 13
    • 4 replies
    • 211 views
    • 
    • morbli
    • February 14

15. Le Jour de l’An du calendrier Chinois.

    By roger15, February 1
    • 6 replies
    • 285 views
    • 
    • Moot
    • February 12

16. Variables et Exoplanetes

    By Batbihirulau, January 29
    • 2 replies
    • 191 views
    • 
    • Vivlepic
    • January 29

17. Les trous noirs

    By Nd sciences 2024, January 11
    • 3 replies
    • 251 views
    • 
    • DarkSyde
    • January 12

18. Petite question

    By Nd sciences 2024, January 8
    • 13 replies
    • 522 views
    • 
    • Nd sciences 2024
    • January 11

19. L’éclipse totale de Soleil du vendredi 19 juin 1936 dans le Caucase soviétique.

    By roger15, January 8
    • 1 reply
    • 158 views
    • 
    • roger15
    • January 8

20. Recherche de stage

    By ZETAA, October 25, 2024
    • 2 replies
    • 288 views
    • 
    • ZETAA
    • January 6

21. Comment débutent les Saros et comment finissent-ils ?

    By roger15, February 20, 2010
    • 19 replies
    • 7.8k views
    • 
    • roger15
    • December 31, 2024

22. La fin de l’IMCCE le mercredi 1er janvier 2025.

    By roger15, December 22, 2024
    • 5 replies
    • 505 views
    • 
    • Elgood
    • December 26, 2024

23. Photos directes d'exoplanètes.

    By AMHER, December 14, 2024
    • 2 replies
    • 382 views
    • 
    • solfra
    • December 15, 2024

24. Remerciements pour jupiter

    By Haimelbeze, December 11, 2024
    • 0 replies
    • 202 views
    • 
    • Haimelbeze
    • December 11, 2024

25. CAMPAGNE DE RECHERCHE ASTEROIDES IASC

    By lacastro, December 8, 2024
    • 0 replies
    • 185 views
    • 
    • lacastro
    • December 8, 2024