General Astronomy Questions - r. How many years would a radio signal take to reach the nearest large galaxy to us, the Andromeda galaxy? (Hint: Consider the nature of all electromagnetic waves.)
s. Why is the study of the most ...
Solar System - Astro.2
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10B) What do we mean when we say that the Sun has a temperature of 5800K?
23B) What Evidence do we have that there is a relationship between sunspots and the temperature of ...
Discussion questions - extraterrestrial intelligent civilization - d. Would it be possible to communicate with an extraterrestrial intelligent civilization?
k. Compare the solar system with the Milky Way Galaxy. (They are very different, but the terms are often c ...