June 20th was the summer solstice for people in the northern hemisphere. But what, exactly, is a solstice?
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Tags: solstice, astronomy, science

Ever tried to count all the stars in the sky? Ever wondered how many there really are? Well, you probably won’t believe it but here is the answer!

It sure seems like the sun goes around the earth. In fact, for thousands and thousands of years, that is exactly what people thought. SkyGuy answers this question from Mina, who is five years old.

Scientists know about a lot of galaxies. How many? And how many are there really? SkyGuy answers this mind-blowing question!