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Expert: - 5/29/2007


Question
how many stars appears in our sky?

Answer
Hi Amal,

In any one night, we could see about 6000 stars with the naked eye.  But there are about 100 billion stars in our galaxy, many of which are just too faint or hidden behind dust for us to see.  There are also countless galaxies (they at least number in the billions), each one containing billions of stars.  So the total number of stars is really more than one can count!

Prof. James Gort

Astrophysics

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James Gort

Expertise

Questions on observational astronomy, optics, and astrophysics. Specializing in the evolution of stars, variable stars, supernovae, neuton stars/pulsars, black holes, quasars, and cosmology.

Experience

I was a professional astronomer (University of Texas, McDonald Observatory), lecturer at the Adler Planetarium, professor of astrophysics, and amateur astronomer for 42 years. I have made numerous telescopes, and I am currently building one of the largest private observatories in Canada.

Publications
StarDate, University of Texas, numerous Journal Publications

Education/Credentials
B.A. Physics and Astronomy M.Sc. Physics Ph.D. Astrophysics

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