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When working with astronomical numbers and mathematics, when is it appropriate to use astronomical unit, light year, and parsec?
The astronomical unit, or AU, is based on the distance from the Earth to . This is useful for bodies within the solar system. Pluto is between 30 and 50...
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What observational evidence supports the Big Bang Theory of cosmology?
The red shift explains the expansion of universe.The CMBR represent the remains of ..2.7 degree K is every where in the universe..The distant galaxies move at more speed than near...
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Why are recent observations of distant supernovae so important to cosmology?
are standard candles.But when the galaxy is very far away we can not resolve individual stars.
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How does stellar parallax support the heliocentric model?
When we observe the position of a star its position changes over the course of a year. It will return to the same position a year after the first measurement....
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Do planets actually revolve around the sun? Maybe they follow the sun around a more central Star in middle of Galaxy? Based on the heliocentric model of orbiting, how could the planets revolve around the sun this way, if this it were true?
No scientist seriously doubts the heliocentric theory, indeed evidence of it is available to anyone with a decent phone or very modest telescope and a few clear nights to observe...
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Why were the observations made by the COBE satellite so important to cosmology?
Before COBE attempts to trace the spectrum of Cosmic Microwave Background Radiation (CMBR) using balloon bourne experiments could not get the full spectrum. So it was not clear if it...
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What did Sophists think of cosmology?
The Sophists were a pre-scientific approach to philosophy that, in terms of origin of and "heavenly bodies" were very big on "air connected theories". See example: Diogenes the Apolloniate premises...
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How did cosmology change during the Renaissance?
First is the position of , before, they believed that the Earth is at the center of the universe. But Copernicus developed a theory that is at the center of...
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What is the connection between Babylonian cosmology and the Old Testament?
Having said that, the one thing is common they both have is their cosmological ideas were developed in a pre-scientific time and today have no scientific validity. They are...
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How long did it take for Galileo's' theory on the earth revolving around the sun to be widely accepted?
Copernicus theory was not published during his lifetime. The publication year was 1543, when he died. Galileo was born later in 1564.
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