Astr 102 exam Study guides, Class notes & Summaries

order of red giant's life - Answer Red Giant → Planetary Nebula → White Dwarf → Black Dwarf or Red Giant → Type II Supernova → Neutron Star or Red Giant → Type II Supernova → Black Hol The eventual fate of our Sun is to - Answer become a steadily cooling white dwarf. Our Sun will not become a nova because this only happens to stars - Answer with a binary companion.

Rank by wavelength from shortest to longest - Answer Gamma X Rays Ultraviolet Visible Light Infrared Radio Waves Visible light spans only a very ________ narrow range of wavelengths. - Answer narrow wavelength times _______ equals the speed of light - Answer frequency

What is a falling star? - Debris from a comet or asteroid that has fallen and is evaporating. What is the farthest object in our Solar System? - The Oort Cloud Describe the Oort Cloud - 1. Made up of Comets - icy dirty glaciers 2. Comets: the melted debris that is trailing behind us because it is being pulled by the Sun and shrinking and melting.

How much time is there between when a star rises and when it sets? - it depends on the star You go out tonight and see the brightest star in the constellation Orion just rising above your eastern horizon at 10 PM. One week later at 10 PM this same star will be - slightly higher in the sky. One night, you see the star Sirius rise at exactly 7:36 PM. The following night it will rise - slightly earlier.

The apparent motion of a foreground object relative to a distant background as the observers position changes? - Parallax When measuring parallax the distance between two observation points is called? - Baseline If Earth rotated twice as fast as it currently does, but its motion around the Sun stayed the same, then? A. The night would be twice as long B. The night would be half as long C. The year would be half as long D. The length of the day would be unchanged. - B. A long, thin cloud ...

The apparent motion of a foreground object relative to a distant background as the observers position changes? - Parallax When measuring parallax the distance between two observation points is called? - Baseline If Earth rotated twice as fast as it currently does, but its motion around the Sun stayed the same, then? A. The night would be twice as long B. The night would be half as long C. The year would be half as long D. The length of the day would be unchanged. - B. A long, thin cloud ...