TRUE OR FALSE
7. Optical telescopes collect visible light from the outer space.
8. The Hale telescopes in western United States is a refracting telescope.
9. The infrared Astronomical Satellite launched in 1983 is designed to look at black holes and supernovas.
10. Astronomers used radio telescope to study objects too far to be seen by ordinary telescopes in order for them to detect radio waves the object give off.
7. Optical telescopes collect visible light from the outer space.
8. The Hale telescopes in western United States is a refracting telescope.
9. The infrared Astronomical Satellite launched in 1983 is designed to look at black holes and supernovas.
10. Astronomers used radio telescope to study objects too far to be seen by ordinary telescopes in order for them to detect radio waves the object give off.
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Answer:
1.False
2.False
3.True
4.True