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3. There are billions of galaxies scattered throughout space.
4. Our galaxy is called the __________.
This is because it can be seen stretching across the night sky in a blotchy white band.
5. What is
the Universe?, B- Einstein, A- Big Bang, Scientists define
the Universe as absolutely
everything that physically exists.
Universe was created
by the ________.
6. In the beginning,all the Universe was squeezed into tiny,hot,dense ball.The Big Bang was when this suddenly began to swell explosively, allowing energy and matter,then atoms,clouds & galaxies to form.
18. _________ are gigantic glowing balls of gas,scattered throughout space., Answer:
19. Astronomers guess there are about 200 billion stars in the Universe., True, False, ✔️, ❌

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