The Hipparcos satellite was able to measure parallax for stars out to about 150 pc.This distance includes roughly 2.5 million stars.What is the average number of stars in one cubic parsec?
A) 5.1 X 10-³
B) 0.18
C) 5.65
D) 8.84

Question

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The Answer of The Hipparcos satellite was able to measure parallax for stars out to about 150 pc.This distance includes roughly 2.5 million stars.What is the average number of stars in one cubic parsec?
A) 5.1 X 10-³
B) 0.18
C) 5.65
D) 8.84

The Hipparcos Satellite Was Able to Measure Parallax for Stars