1. Astronomy: Re: Why does earth not change temp in an eliptical orbit?, John Dreher, Staff Astronomer, SETI Institute Sun Dec 3 14:28:53 2000
2. Astronomy : Re: How far away in space would we be 'visible' to ourselves?, John Dreher, Staff Astronomy, SETI Institute Thu May 8 11:37:20 1997
3. Engineering: Re: Why do Electric Motor only use one pole of each Electromagnet?, John Dreher, Staff Astronomer, SETI Institute Thu Apr 27 13:22:37 2000
4. Astronomy: Re: television/radio signals escaping earth to space, John Dreher, Staff Astronomer, SETI Institute Thu Apr 20 17:59:43 2000
5. Astronomy: Re: Did the Seti programme ever try to search for organised coms arrays?, John Dreher, Staff Astronomer, SETI Institute Mon Aug 16 15:55:56 1999
6. Astronomy: Re: Is it probable that aliens could come to earth?, John Dreher, Staff Astronomer, SETI Institute Tue Sep 8 05:57:28 1998
7. Physics : Re: Could light be 'canceled out' by an extremely strong magnetic field., John Dreher, Staff Astronomy, SETI Institute Sat Feb 8 15:43:59 1997
8. Physics : Re: How do they split atoms?, John Dreher, Staff Astronomy, SETI Institute Mon Apr 7 02:21:30 1997
9. Astronomy: Re: Does our solar system contradict the ''Big Bang Theory''?, John Dreher, Staff Astronomer, SETI Institute Tue Nov 24 18:04:18 1998
10. Physics : Re: What is a magnetic field and how does it work?, John Dreher, Staff Astronomy, SETI Institute Mon Mar 24 18:24:55 1997
11. Physics : Re: Does the second hand of a wall clock go faster from 12 to 6 than 6 to 12?, John Dreher, Staff Astronomy, SETI Institute Mon Mar 24 18:04:16 1997
12. Physics : Re: How was the speed of light first determined?, John Dreher, Staff Astronomy, SETI Institute Mon Mar 24 16:44:28 1997
13. Astronomy: Re: Is it not reasonable to assume that many planets existed , John Dreher, Staff Astronomer, SETI Institute Mon Jan 25 13:20:25 1999
14. Astronomy: Re: Does the universe have a diameter of 30 billion light- years?, John Dreher, Staff Astronomer, SETI Institute Sat Feb 28 14:52:55 1998
15. Astronomy: Re: Will radio/TV signals from Earth reach the nearer stars?, Joseph Lazio, Radio Astronomer Fri Aug 11 16:48:49 2000
16. Physics: Re: Can light be solidified?, John Dreher, Staff Astronomer, SETI Institute Mon Jul 12 15:07:36 1999
17. Astronomy: Re: Do scientists believe there is life out in space., John Dreher, Staff Astronomer, SETI Institute Sun Apr 26 17:41:33 1998
18. Physics : Re: Question regarding relativity., John Dreher, Staff Astronomy, SETI Institute Mon Mar 24 18:54:46 1997
19. Physics: Re: What is the speed and wavelength of gravity waves?, John Dreher, Staff Astronomer, SETI Institute Mon Apr 13 00:46:40 1998
20. Engineering: Re: Building a submarine, John Dreher, Staff Astronomy, SETI Institute Thu Feb 5 13:06:55 1998
21. Astronomy : Re: Synthetic Aperture Systems in Astronomy, John Dreher, Staff Astronomy, SETI Institute Tue Oct 21 14:42:18 1997
22. Physics : Re: How do you tell the direction of power transmission?, John Dreher, Staff Astronomy, SETI Institute Mon Mar 24 17:05:32 1997
23. Astronomy: Re: How old is the Orion Nebula?, John Dreher, Staff Astronomer, SETI Institute Fri Jun 23 18:44:24 2000
24. Physics : Re: Why do tall things fall harder?, John Dreher, Staff Astronomy, SETI Institute Mon Feb 3 11:15:43 1997
25. Physics : Re: Can the body intercept communication broadcasts?, John Dreher, Staff Astronomy, SETI Institute Sat Aug 16 21:26:56 1997