October 7, 2015

Homework Help: Astronomy help!

Posted by anonymous on Saturday, November 22, 2008 at 10:09pm.

The average speed of stars relative to the Sun in the solar neighborhood is about 20 km/s (this is the speed at which we see stars moving toward or away from the Sun - NOT their orbital speed). Suppose you discover a star in a solar neighborhood that is moving at a much higher speed relative to the Sun, say at 200 km/s. What kind of orbit does this star probably have around the Milky Way? In what part of the Galaxy does it spend most of its time? Explain.

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