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Space Test Study Guide Answers

Space Test Study Guide Answers . The Astronomers . The length of a day is based on _________________. the rotation of the Earth on its axis. The Astronomers . A ______________ is roughly the amount of time required for the moon to orbit the Earth once. month. The Astronomers .

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Space Test Study Guide Answers

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  1. Space Test Study Guide Answers

  2. The Astronomers • The length of a day is based on _________________. • the rotation of the Earth on its axis

  3. The Astronomers • A ______________ is roughly the amount of time required for the moon to orbit the Earth once. • month

  4. The Astronomers • The time required for the Earth to orbit the sun once is called a ______________. • Year

  5. The Astronomers • Although ______________ incorrectly thought that the Earth is at the center of the universe, his theory predicted the motions of the planets better than any known method at that time. • Ptolemy

  6. The Astronomers • The ______________ surrounds the Earth and is what we look through when we observe the sky. • celestial sphere

  7. View of the Formation of the Solar System • The path that a planet takes while traveling around the sun is called __________________ • orbit

  8. View of the Formation of the Solar System • A. rotate • B. orbit • C. revolve

  9. View of the Formation of the Solar System • The motion of a planet traveling around the sun is called _____________. • Revolution

  10. View of the Formation of the Solar System • The spinning of a planet on its axis is called ___________. • Rotation

  11. View of the Formation of the Solar System • One astronomical unit (AU) is ____________________. • 150 million kilometers and the average distance between the Earth and the sun.

  12. View of theFormation of the Solar System • What planet has the shortest period of revolution? • Mercury

  13. Gas Giants • Which planet has the Great Red Spot? • Jupiter

  14. Gas Giants • Distances between stars are usually measured in ______________. • Light years

  15. Gas Giants • For all nine planets, a year is ____________________. • One period of revolution

  16. Gas Giants • Which planet is tipped on its side? • Uranus

  17. Gas Giants • All of the gas giants have ring systems. • True/False

  18. Gas Giants • Of all the planets in our solar system, which is the largest? • Jupiter

  19. Gas Giants • What is the most likely cause of Uranus's unusual axis of rotation? • The impact from a collision with a massive object early in its history

  20. The Terrestrial Planets • What gas traps the most heat in the atmosphere of Venus? • carbon dioxide

  21. The Terrestrial Planets • 1. Mercury • 2. Venus • 3. Earth • 4.Mars • 5.Jupiter • 6.Saturn • 7.Uranus • 8.Neptune

  22. The Terrestrial Planets • Which planet is the most similar to Earth with respect to size, mass, and density? • Venus

  23. Galaxies • A. irregular • B. elliptical • C. spiral

  24. Galaxies • You visited an observatory and looked through the telescope. You saw a ball of stars through the telescope. What type of object did you see? • a globular cluster

  25. Galaxies • Which flame color burns the hottest? • Blue

  26. Galaxies • In which part of a spiral galaxy do you expect to find nebulas? • The spiral arms

  27. The Moon • When the moon is waning, the sunlit fraction is becoming ___________. • Smaller

  28. The Moon • What is the name of the moon that orbits Earth? • Luna

  29. The Moon • A(n) _______________ occurs when the shadow of one celestial body falls on another. • Eclipse

  30. The Moon • As Earth's moon waxes, the sunlit fraction we see from Earth becomes ____________. • Larger

  31. The Moon • A _____________ eclipse occurs when the Earth comes between the sun and the moon, and the shadow of the Earth falls on the moon. • Lunar

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