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PHY 111

Intro to Astronomy, Help to study for final

QuestionAnswer
If a star has a surface temperature of 5000K and another star has a surface temperature of 10,000 K....which star emits the most infrared radiation? The 10,000 K star.
If a star has a surface temperature of 5000K and another star has a surface temperature of 10,000 K....which star emits the most ultraviolet radiation? The 10,000 K star.
What are 2 examples of standard candles? 1. Cepheids 2. RR Lyrae 3. W Viginis 4. Type 1 supernovas 5. White Dwarfs
What is Hubble's Law? The universe is expanding, the farther away a galaxy the faster it is moving.
Created by: lizbeth0620
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