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Space and Astronomy for Kids/Experts

Expert	Average Ratings	Expertise
Patrick J. O'Neill U.S. Available View Profile Ask A Question View Past Answers	Knowledgeability 9.78 Clarity of Response 9.89 Timeliness 10.0 Politeness 10.0 Total Questions 29	I can answer any question of any level about the Universe, questions about the Earth, our solar system, galaxies, other universes, extra dimensions, etc. If you tell me your age I will talk in a more suitable manner towards your level of understanding.
Doug Available View Profile Ask A Question View Past Answers	Knowledgeability 9.81 Clarity of Response 9.67 Timeliness 9.71 Politeness 9.38 Total Questions 137	I am an amature astronomer and have been studying cosmology at Chicago`s Adler Planetarium ever since comet Hale Bopp appeared in 1997 but have always had an interest in the cosmos. I have a Celestron 4.5" f8 aperature 910 mm focal length Newtonian reflector telescope with an equatorial mount. Anyone in the Chicago area can have a look. I will need to know your age so I will know how detailed the answer should be.
Paul Braxton U.S. Available View Profile Ask A Question View Past Answers	Knowledgeability 9.85 Clarity of Response 9.70 Timeliness 9.83 Politeness 9.98 Total Questions 196	Just about anything to do with the Solar System, comets, asteroids, etc., the Universe, space in general.
Kenneth Renshaw U.S. Available View Profile Ask A Question View Past Answers	Knowledgeability 10.0 Clarity of Response 9.92 Timeliness 10.0 Politeness 10.0 Total Questions 81	Answer questions on astronomy and American space exploration.
Tom Whiting U.S. Available View Profile Ask A Question View Past Answers	Rating N/A (Expert Not Accept Rating) Total Questions 51	I can answer most any astronomy or astronomical question, having been in the hobby for over 50 years now, and current owner of a 30 inch portable truss Newtonian telescope, one of the largest in the Eastern USA. I use a 6 inch f4 Antares Newtonian finderscope on the back of the 30 inch mirror box. No astrology questions please, or questions about alleged UFO identifications.

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Recent Answers

2009-11-18 Asrtomony:

Hi Kathy...and thanks for using AllExperts Planets and stars are shaped pretty much the same --- round (spherical) Planets and stars however are two different things altogether. The main difference

2009-11-01 speeds of objects in space?:

Hi, thanks for writing. The main reason is due to gravity. Just to stay in orbit around the Sun, the Earth and other objects at its distance have to travel around it at 18 miles per second. Even Pluto

2009-10-27 Star magnitudes:

Hi, first you find the magnitude difference which is 12-7 = 5. The number of times brighter comes from raising the number "2.512" to the power given by the magnitude. So 2.512^5 is equal to about 100

2009-10-27 Solar System:

Hi, thanks for writing! Planets can vary in composition (rocky-Mercury, Venus, Earth, Mars; gas-Jupiter, Saturn, Uranus, Neptune; icy-Pluto and the other Kuiper Belt objects), atmosphere (thick- like

2009-09-22 Space:

Note - Not part of answer ->[I answered this question, and I checked the question pool, and saw this in there, then it disapeared from the question pool and was in my pending questions again, so I am re-answering/sending