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The black hole is very big. It has as much matter as four million Suns! It is also very far away. Dr. Ghez used these telescopes to find it.
Photo Credit: Abbie Warnock-Matthews/Shutterstock
Your heart keeps you alive. It pumps blood to all … read more
Forces [pushes and pulls] make cars move. A car’s engine … read more
Long ago, school was different. Many Black children and White … read more
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