What were the practical values offered by astronomy to ancient civilizations?
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(please explain as if you were expaining it to someone who hasnever taken a astronomy class)1. Describe the temperature/pressure thermostat in the cores ofstars.
(please explain as if you were expaining it to someone who hasnever taken a astronomy class)
1. Describe the temperature/pressure thermostat in the cores ofstars.
In astronomy, distances are often expressed in light-years. One light-year is the distance traveled by light in one year. The distance to Alpha Centauri, the closest star other than our own sun that can be seen by the naked eye, is about 4.3 light-years. Express this distance in meters