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ASTRO 1101 EXAM 2025 WITH ACCURATE SOLUTIONS
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---54March 20252024/2025A+
- 1.	What is the primary purpose of the Drake equation? To analyze the composition of galaxies. 
 To calculate the distances to stars. 
 To measure the temperature of exoplanets. 
 To determine the likelihood of finding other civilizations. 
 
2.	Some telescope pictures of clusters of galaxies show faint arcs of light in a circular pattern centered on the cluster. This effect arises because 
 the galaxies all have identical twins 
 the faint arcs are comets in our solar system the arcs ar...
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