Science & Spaceflight

8,476 topics in this forum

1. Really good idea? or really goofy one? widespread small fission reactors 1 2

   By blou04, May 15, 2015
   • 32 replies
   • 3.8k views
   • 
   • steve_v
   • May 21, 2015

2. [Pen and Paper Design] SLS and Falcon-Heavy Launched 570 day Mars Mission 1 2

   By fredinno, May 8, 2015
   • 33 replies
   • 4.6k views
   • 
   • fredinno
   • May 21, 2015

3. Is a Wet Workshop a practical solution for interplanetary travel and space stations? 1 2

   By fredinno, May 19, 2015
   • 38 replies
   • 4.4k views
   • 
   • sojourner
   • May 21, 2015

4. Atlas V launch with X-37

   By Kryten, May 20, 2015
   • 12 replies
   • 1.8k views
   • 
   • sgt_flyer
   • May 20, 2015

5. Hubble time lapse of an 'exploding star'

   By vger, May 19, 2015
   • 5 replies
   • 1.3k views
   • 
   • Slam_Jones
   • May 20, 2015

6. SLS might get a new name and take funding from Earth science programs 1 2 3

   By Albert VDS, May 4, 2015
   • 67 replies
   • 7.9k views
   • 
   • Wesreidau
   • May 20, 2015

7. Oberth - Interpretation of additional energy & velocity neutral burns

   By AaronLS, May 19, 2015
   • 14 replies
   • 1.9k views
   • 
   • arkie87
   • May 20, 2015

8. Has anyone here been discussing NASA's 3D printing Mars habitat competition?

   By THX1138, May 18, 2015
   • 5 replies
   • 917 views
   • 
   • Mazon Del
   • May 19, 2015

9. Human Spaceflight: A Worthy Replacement For The ISS?!

   By Torquemadus, May 17, 2015
   • 16 replies
   • 2.9k views
   • 
   • Nibb31
   • May 19, 2015

10. Correct algorithm for calculating the delta v that your rocket have.

    By kUSer, May 15, 2015
    • 18 replies
    • 3.9k views
    • 
    • K^2
    • May 18, 2015

11. Kerosine in Nuclear Thermal Engines and ISRU

    By FreeThinker, May 16, 2015
    • 21 replies
    • 2.9k views
    • 
    • Bill Phil
    • May 17, 2015

12. Artemis: Could SpaceX Land on the Moon by 2019? Now with a new mission overview! 1 2

    By _Augustus_, May 9, 2015
    • 31 replies
    • 6.6k views
    • 
    • Argylas
    • May 17, 2015

13. Sirius Sun binary 1 2

    By Voyager275, May 16, 2015
    • 33 replies
    • 6.6k views
    • 
    • Voyager275
    • May 17, 2015

14. Is global warming being exaggerated/nonexistent (this is a poll)?

    By Findthepin1, May 16, 2015
    • 6 replies
    • 2k views
    • 
    • sjwt
    • May 16, 2015

15. Whose fault is this?

    By Mad Rocket Scientist, May 10, 2015
    • 18 replies
    • 4.1k views
    • 
    • sgt_flyer
    • May 16, 2015

16. Problems with a graphics driver and Windows 7

    By Rjhere, May 15, 2015
    • 1 reply
    • 714 views
    • 
    • SuperFastJellyfish
    • May 15, 2015

17. China's next gen spacecraft approved and underway!

    By xenomorph555, May 13, 2015
    • 23 replies
    • 3.4k views
    • 
    • Mazon Del
    • May 15, 2015

18. Towards the most efficient freight vehicle. 1 2 3 4

    By AngelLestat, April 1, 2015
    • 84 replies
    • 14.7k views
    • 
    • AngelLestat
    • May 15, 2015

19. Nasa reward to the best mars sustainable idea

    By AngelLestat, May 11, 2015
    • 13 replies
    • 1.9k views
    • 
    • sgt_flyer
    • May 14, 2015

20. Stargazing tips for a total begginer

    By Broax, May 11, 2015
    • 10 replies
    • 1.8k views
    • 
    • YNM
    • May 13, 2015

21. Scientists make nanofibers using fridge magnet and ferrofluid

    By ella_maru, May 9, 2015
    • 5 replies
    • 1.3k views
    • 
    • ella_maru
    • May 13, 2015

22. Orbiting a black hole.

    By hawkinator, May 11, 2015
    • 19 replies
    • 2.4k views
    • 
    • quietghost
    • May 13, 2015

23. What is the 'singularity' in a black hole?

    By JavaProphet, May 13, 2015
    • 6 replies
    • 1.2k views
    • 
    • -Velocity-
    • May 13, 2015

24. Aerospike engines

    By nikolay-spb, May 13, 2015
    • 7 replies
    • 2k views
    • 
    • cicatrix
    • May 13, 2015

25. 2009 Cosmos+Iridium Collision (Simulation)

    By heng, May 13, 2015
    • 3 replies
    • 1.9k views
    • 
    • SuperFastJellyfish
    • May 13, 2015