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Documents MERCURY Q: Why are there so many craters?. Mercury.

MERCURY Q: Why are there so many craters? Mercury We see so many craters because: No atmosphere means no weather. No weather means no weathering and erosion. We see so many…

Documents The Sun, our favorite star!

Slide 1 The Sun, our favorite star! WE CAN SEE IT REALLY WELL. The Sun is the basis for all of our knowledge of stars. Why? 1 temperature kelvin degree Celsius degree Fahrenheit…