Astronomy and Space

1,461 topics in this forum

1. SpaceX Falcon-9 Rocket about to launch 4 'amateur astronauts' into Earth orbit

   By spartan45, September 15
   • 2 replies
   • 185 views
   • 
   • HallsofIvy
   • 12 hours ago

2. Better than Mars Colonization in many aspects.

   By DeepSciences, October 12
   • 2 replies
   • 110 views
   • 
   • Gant
   • 21 hours ago

3. I just seen a star disappear? 1 2 3 4

   By geko, March 25, 2009
   • 67 replies
   • 91.3k views
   • 
   • Jose
   • Yesterday at 09:30 AM

4. Now is a good time to talk about James webb Space Telescope.

   By DeepSciences, October 16
   • 1 reply
   • 51 views
   • 
   • DeepSciences
   • October 16

5. Redshift z 1 2 3 4 46

   By coldcreation, July 5, 2005
   • 771 replies
   • 122.1k views
   • 
   • Aryaarmdn
   • October 12

6. American Association of Variable Star Observers 110th Anniversary!

   By JuliaAshley, September 29   

   • variable stars
   • stars
   • (and 5 more)

     Tagged with:

     • variable stars
     • stars
     • star observers
     • star watchers
     • events
     • event
     • boston
   • 0 replies
   • 71 views
   • 
   • JuliaAshley
   • September 29

7. Neutron Stars: The Most Extreme Objects In The Universe Video

   By VictorMedvil, September 29
   • 0 replies
   • 56 views
   • 
   • VictorMedvil
   • September 29

8. Strip Mining The Galaxy By Isaac Arthur

   By VictorMedvil, September 21
   • 0 replies
   • 98 views
   • 
   • VictorMedvil
   • September 21

9. Building A Supermassive Black Hole Dyson Sphere Continued 1 2 3

   By VictorMedvil, September 9, 2019
   • 37 replies
   • 3.4k views
   • 
   • VictorMedvil
   • September 21

10. What form might intelligent life take?

    By darkmatter42, August 31
    • 11 replies
    • 373 views
    • 
    • JeffreysTubes8
    • September 18

11. Space technology that can help us preserve our environment

    By bearnard55, February 17
    • 7 replies
    • 542 views
    • 
    • Brutix80
    • September 7

12. At What Altitude Can Stars Be Seen In Daylight? 1 2

    By spartan45, January 16, 2018
    • 17 replies
    • 6.6k views
    • 
    • spartan45
    • August 29

13. Dyson Sphere

    By darkmatter42, August 27   

    • spacetechnology
    • advancedcivilizations
    • (and 1 more)

      Tagged with:

      • spacetechnology
      • advancedcivilizations
      • black holes
    • 5 replies
    • 101 views
    • 
    • VictorMedvil
    • August 27

14. An explanation to the supermassive black holes mystery

    By JeffreysTubes8, August 17
    • 1 reply
    • 116 views
    • 
    • darkmatter42
    • August 27

15. space debris cleaning mission

    By bearnard55, August 20
    • 4 replies
    • 124 views
    • 
    • bearnard55
    • August 27

16. Planet Venus and it's orbit around the sun.

    By Ricardo, June 5
    • 12 replies
    • 394 views
    • 
    • SylviaSwanson
    • August 26

17. Top 5 Time Travel Movies : All Science Fiction Lovers Should Watch

    By sunglasses25, July 27
    • 3 replies
    • 115 views
    • 
    • darkmatter42
    • August 26

18. Two or more planets- same orbit?

    By Diamonds, August 4
    • 3 replies
    • 135 views
    • 
    • darkmatter42
    • August 26

19. cyborg Cyborg Alien Race retains and utilizes technology to vaporize Earth

    By SirHope, July 29   

    • cme technology
    • solar flare technology
    • 13 replies
    • 405 views
    • 
    • JeffreysTubes8
    • August 23

20. stars TWO STARS FADED TO BLACK, SIMULTANEOUSLY!

    By HYPERSQUIRT, August 19   

    • ufo
    • atmosphere
    • (and 5 more)

      Tagged with:

      • ufo
      • atmosphere
      • space
      • weird
      • sky
      • night
      • phenomenon
    • 3 replies
    • 123 views
    • 
    • VictorMedvil
    • August 19

21. Black Hole Warheads

    By VictorMedvil, July 2, 2019
    • 8 replies
    • 1.4k views
    • 
    • VictorMedvil
    • August 16

22. ESA and NASA are going to make a partnership in the environmental project

    By bearnard55, August 4
    • 0 replies
    • 91 views
    • 
    • bearnard55
    • August 4

23. WHAT IS THE OORT CLOUD?

    By Sefa, July 25
    • 0 replies
    • 103 views
    • 
    • Sefa
    • July 25

24. NASA's Venus Colony Plans Video

    By VictorMedvil, June 29
    • 12 replies
    • 423 views
    • 
    • bearnard55
    • July 20

25. Betelgeuse will be visible as a Supernova in March of 2025

    By SirHope, July 9   

    • betelgeuse visible supernova
    • betelgeuse supernova
    • (and 1 more)

      Tagged with:

      • betelgeuse visible supernova
      • betelgeuse supernova
      • supernova 2025
    • 1 reply
    • 158 views
    • 
    • SirHope
    • July 19