The Hipparcos mission's observations have given us good data on stars out to about:
A) 100 light years.
B) 200 light years.
C) 200 parsecs.
D) 1000 light years.
E) 1000 parsecs.
C
You might also like to view...
According to the theory of general relativity, gravity is caused by the ____
a. linear motion of stars b. change in mass of a moving body c. curvature of space-time d. constant speed of light e. inertia of a moving body
A clown 2 m tall looks at himself in a full-length mirror (floor-to-ceiling). Where in the mirror must he look to see his feet?
A. 1 m from the floor B. 50 cm from the floor C. 25 cm from the floor D. at the bottom of the mirror E. 1.5 m from the floor
When the noonday Sun is overhead in London, England, on April 15, what are the standard time and date in San Francisco?
The meaning of the word "energy" is immediately clear to anyone
What will be an ideal response?