Definitions in the Field: Stars


(clicking) (gentle music) – Stars are burning balls of gas in space. Their cores are power
houses providing fuel that makes them bright and hot. Our sun is a star, and
this is what it looks like. If you tried to travel through a star it’d be pretty dangerous
because they are so hot. Some of the brightest
stars we see in the sky are much bigger and hotter than our sun. But the temperature of our sun is what keeps the earth
comfortable for us to live on. In the past, explorers used
to use stars to navigate. My name is Munazza Alam
and I’m an astronomer. Astronomers study the
universe and everything in it. Stars, planets, black holes, and galaxies.

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