astronomy 100 midterm exam 2009

astronomy 100 midterm exam 2009 - Astronomy 100 Midterm...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Astronomy 100 Midterm Exam 2009 1. In astronomy the unit “parsec” refers to the length of the adjacent side of an imaginary right triangle in space. 2. If a person lives on the north pole. He will see the angle between the zenith and the north celestial pole as 0 degree. 3. The stars in the constellation Orion show the “warrior” pattern today but will not show it after a million years pass. 4. The cause of the seasons is : the sun spends more time above the horizon in the 5. The rotational axis of the Earth is tilted at 23.5 degree. 6. It takes 26,000 years for the Earth to go through a full precession cycle. 7. Everyone on Earth can see the Moon when a lunar eclipse occurs. 8. A total lunar eclipse occurs when the Moon enters umbra. 9. Copernicus devoted his life to proving that the Sun was the center of the Solar system. 10. Tycho was born in a Danish city and built an astronomical observatory called
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

astronomy 100 midterm exam 2009 - Astronomy 100 Midterm...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online