1. Astronomy: Re: Why don't space probes carry a normal digital came, Steven Levin, Research Scientist, Astrophysics Mon Jul 14 00:49:41 2003
2. Astronomy: Re: What time zone is the new space station in?, Steven Levin, Research Scientist, Astrophysics Mon Jan 1 00:28:29 2001
3. Astronomy: Re: Microwave Background Radiation as an absolute frame of reference., Steven Levin, Research Scientist, Astrophysics Sun Sep 12 23:27:28 1999
4. Astronomy: Re: Is there a mirror on the moon and which mission put it there?, Steven Levin, Research Scientist, Astrophysics Tue Jul 6 18:09:23 1999
5. Astronomy: Re: Was our galaxy also a quasar once?, Steven Levin, Research Scientist, Astrophysics Mon Apr 21 23:29:28 2003
6. Engineering: Re: What contributions to society, used in everyday life, has NASA made? , Steven Levin, Research Scientist, Astrophysics Mon Dec 18 01:26:00 2000
7. Physics: Re: IS A VACUUM THE OPPOSITE OF GRAVITY?, Steven Levin, Research Scientist, Astrophysics Wed Aug 22 16:34:36 2001
8. Physics: Re: What happens to gravitional energy in matter-antimatter reaktion., Steven Levin, Research Scientist, Astrophysics, Jet Propulsion Laboratory Sun Jun 6 19:18:00 1999
9. Astronomy: Re: what fills in the empty space in outerspace? nitrogen?i am not sure., Steven Levin, Research Scientist, Astrophysics Tue Dec 12 23:18:50 2000
10. Astronomy: Re: Where can I find plans for building a Telescope to view the planets?, Steven Levin, Staff, Astrophysics, Jet Propulsion Laboratory Mon Mar 22 11:11:33 1999
11. Other: Re: How long have humans been intelligent enough to be detected by , Steven Levin, Research Scientist, Astrophysics Tue Nov 23 22:43:15 1999
12. Astronomy: Re: Why does the Earh have such a strong gravitational pull , Steven Levin, Research Scientist, Astrophysics, Jet Propulsion Laboratory Wed May 26 01:04:34 1999
13. Physics: Re: Wouldn't the graviton have to travel faster than light to exist?, Steven Levin, Research Scientist, Astrophysics Thu Feb 24 00:21:39 2000
14. Astronomy: Re: Do comets really contain any frozen water?, Steven Levin, Research Scientist, Astrophysics Sun Jun 12 23:54:03 2005
15. Astronomy: Re: Accuracy of the big bang theory, Steven Levin, Research Scientist, Astrophysics Thu Dec 30 14:29:08 1999
16. Astronomy: Re: Similarities with molecular activity and the cosmic universe, Steven Levin, Research Scientist, Astrophysics Thu Jul 19 01:14:16 2001
17. Physics: Re: How can I predict when dew will form on a corrector plate., Steven Levin, Research Scientist, Astrophysics Tue Jan 4 00:10:44 2005
18. Astronomy: Re: why are the stars so far away? And is there life outter space?, Steven Levin, Research Scientist, Astrophysics Fri Jan 19 00:59:32 2001
19. Physics: Re: Does a Gas with a Net Charge have larger Molar Volume?, Steven Levin, Staff, Astrophysics, Jet Propulsion Laboratory Tue Apr 20 23:01:48 1999
20. Physics: Re: why do different wavelengths refract differently?, Steven Levin, Staff, Astrophysics, Jet Propulsion Laboratory Tue Apr 20 23:50:06 1999
21. Physics: Re: Why do I spin along with the earth?, Steven Levin, Research Scientist, Astrophysics Sun Apr 8 19:07:19 2001
22. Physics: Re: What is the propagation speed (if any) of gravitational influence?, Steven Levin, Research Scientist, Astrophysics, Jet Propulsion Laboratory Mon May 10 23:32:38 1999
23. Astronomy: Re: asteroids with orbit between earth and sun, Steven Levin, Research Scientist, Astrophysics Fri Dec 21 17:55:34 2001
24. Astronomy: Re: What is the best and worst aspect of being an astronomer?, Steven Levin, Research Scientist, Astrophysics Wed May 2 01:34:21 2001
25. Physics: Re: does gravity attract energy?, Steven Levin, Research Scientist, Astrophysics Fri Dec 3 14:56:59 2004