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www-astronomy.mps.ohio-state.edu
URLs from
www-astronomy.mps.ohio-state.edu
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http://www-astronomy.mps.ohio-state.edu
Queries:
earth's revolution
how far is the sun
estimate the mass m of the star
polaris and its solar system
a pulsating neutron star
white hot stars
what creates sun's gravity
how is relative age different from the actual date of an event