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What’s Out There?
Have you ever looked at a clear night sky and wondered
how many stars are up there? It’s way too many to count!
Those stars twinkling in the darkness are part of the 200
billion stars in our Milky Way galaxy. And scientists think
there could be 100 billion galaxies in the universe, each with
billions of stars. Far out!
YOU ALL REVOLVE
AROUND ME!
Saturn
Uranus
Mercury
Neptune The Sun
Venus Earth
Jupiter
Mars
The sun is at the center of our solar system.
Earth and other planets orbit around it.
Our sun is one of the The sun is closer to Earth than
galaxy’s many, many stars. other stars, but it’s still 93 million
miles (150 million km) away.
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