Posts tagged Sky Guy
Skyguy – Does The Sun Go Around the Earth?
Jun 8th
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.
Skyguy – How Many Galaxies Are There?
Jun 4th
Galaxies are huge!. They contain at least 100 billion stars each. But how many galaxies are there? SkyGuy tries to give an accurate number!