Astronomy and Space

1,477 topics in this forum

1. Early Universe

   By LorrettaOShea, May 23, 2019   

   • Early Universe
   • 6 replies
   • 1.9k views
   • 
   • Mutex
   • January 25, 2020

2. Plants In Super Habitable Exoplanets Could Look Purple

   By alfa015, December 31, 2019
   • 2 replies
   • 1.1k views
   • 
   • Flummoxed
   • January 1, 2020

3. Espresso: The Decisive Spectrograph To Find Earth 2.0

   By alfa015, December 14, 2019
   • 1 reply
   • 1.1k views
   • 
   • OverUnityDeviceUAP
   • December 14, 2019

4. There Is Actual Proof That The Universe Is Older Than 13.8 Billion Years

   By OverUnityDeviceUAP, September 20, 2019
   • 8 replies
   • 1.6k views
   • 
   • OverUnityDeviceUAP
   • December 10, 2019

5. Signs Of Life

   By hazelm, December 5, 2019
   • 0 replies
   • 969 views
   • 
   • hazelm
   • December 5, 2019

6. Parker Solar Probe

   By hazelm, December 5, 2019
   • 0 replies
   • 740 views
   • 
   • hazelm
   • December 5, 2019

7. Inside The 24/7 Search For Another Habitable Planet Within 100 Light Years Of Earth

   By alfa015, November 26, 2019
   • 0 replies
   • 1.1k views
   • 
   • alfa015
   • November 26, 2019

8. Alien Fossil Found On Mars

   By OverUnityDeviceUAP, November 21, 2019
   • 1 reply
   • 1.1k views
   • 
   • OverUnityDeviceUAP
   • November 21, 2019

9. The Square Kilometre Array

   By alfa015, November 15, 2019
   • 0 replies
   • 1.1k views
   • 
   • alfa015
   • November 15, 2019

10. Sunburst Arc Doppelgangers?

    By hazelm, November 15, 2019
    • 0 replies
    • 849 views
    • 
    • hazelm
    • November 15, 2019

11. Irrelevancy Of Friction?

    By hazelm, October 23, 2019
    • 6 replies
    • 1.4k views
    • 
    • hazelm
    • October 25, 2019

12. The Distant Universe Is The Early Universe

    By hazelm, June 2, 2019
    • 7 replies
    • 1.6k views
    • 
    • Vmedvil2
    • October 9, 2019

13. Magnetic Field Line Rockets/jets

    By andytak3740, July 30, 2019   

    • Rockets
    • Space
    • (and 3 more)

      Tagged with:

      • Rockets
      • Space
      • Magnet
      • Field line
      • Jets
    • 3 replies
    • 1.8k views
    • 
    • andytak3740
    • August 8, 2019

14. The Habitable Exoplanet Hunting Project

    By alfa015, July 13, 2019
    • 1 reply
    • 1.2k views
    • 
    • alfa015
    • August 6, 2019

15. Near Earth Objects 1 2 3 4 14

    By Deepwater6, November 4, 2011
    • 236 replies
    • 51.2k views
    • 
    • LaurieAG
    • July 19, 2019

16. Transforming Mars

    By hazelm, July 16, 2019
    • 2 replies
    • 1.2k views
    • 
    • hazelm
    • July 16, 2019

17. Brooks Range Observatory Site?

    By SaxonViolence, May 24, 2019
    • 0 replies
    • 1.1k views
    • 
    • SaxonViolence
    • May 24, 2019

18. How Would Life Be Altered If Our Moon Had Its Own Moon?

    By andytak3740, April 20, 2019   

    • Moon
    • Orbit
    • (and 1 more)

      Tagged with:

      • Moon
      • Orbit
      • Satilite
    • 4 replies
    • 1.4k views
    • 
    • SaxonViolence
    • May 24, 2019

19. If Venus Was A Red Dwarf...

    By SaxonViolence, May 23, 2019
    • 0 replies
    • 982 views
    • 
    • SaxonViolence
    • May 23, 2019

20. Planets Surviving Without A Host Star? 1 2

    By hazelm, May 15, 2019
    • 17 replies
    • 2.6k views
    • 
    • GAHD
    • May 22, 2019

21. Arecibo

    By fahrquad, April 30, 2019
    • 3 replies
    • 2.7k views
    • 
    • fahrquad
    • May 1, 2019

22. 3 Facts Maybe You Don't Know About Antimatter

    By alfa015, April 13, 2019
    • 1 reply
    • 1.6k views
    • 
    • Vmedvil2
    • April 25, 2019

23. A Question About Low Magnification Wide-Angle Optics

    By SaxonViolence, April 10, 2019
    • 3 replies
    • 1.2k views
    • 
    • Moronium
    • April 10, 2019

24. A Gigantic Exoplanet? 1 2

    By hazelm, April 9, 2019
    • 17 replies
    • 2.4k views
    • 
    • Flummoxed
    • April 9, 2019

25. Let There Be Light

    By hazelm, April 1, 2019
    • 15 replies
    • 1.5k views
    • 
    • Flummoxed
    • April 8, 2019