Astro 101 Midterm I Review

Astro 101 Midterm I Review - Astronomy Midterm 1 Review 1....

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Astronomy Midterm 1 Review 1. On earth, seasons are primarily caused by: 2. What is a light year? 3. Earth rotates once every ____, and orbits the sun once every ______. 4. One astronomical unit is equal to what? 5. Light from the sun reaches the earth how quickly? 6. We know that the universe is expanding because: 7. Due to the rotation of the Earth, you have the highest linear speed at the: 8. Geology and cosmology tell us that the Earth and universe are this old: 9. On the sky, we measure the separation of objects in: 10. At the North pole, all stars: 11. *REVIEW* At least once per year, the Sun will pass through the Zenith at: 12. An equinox occurs when: 13. We know the angular size of an object, and its distance. Its physical size is: 14. 1 degree is this many arcseconds: 15. We see only one face of the Moon because: 16. We see “phases” of the moon without eclipse every orbit because: 17. A solar eclipse can only occur at ___ moon, a lunar eclipse at ____ moon. 18.
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This note was uploaded on 05/23/2011 for the course ASTRO 101 taught by Professor Hartmann,bergin during the Fall '08 term at University of Michigan.

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Astro 101 Midterm I Review - Astronomy Midterm 1 Review 1....

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