A star has a parallax of .05". Its distance is

A) 20 parsecs.
B) 200 parsecs.
C) 66 parsecs.
D) 5 light-years.
E) 660 light-years.


A

Physics & Space Science

You might also like to view...

Colors seen on the cover of your physics book are due to color

A) addition. B) subtraction. C) either of these D) neither of these

Physics & Space Science

Briefly describe the Sun's 22 year activity cycle

What will be an ideal response?

Physics & Space Science

A track star in the broad jump goes into the jump at 12 m/s and launches himself at 20° above the horizontal. How long is he in the air before returning to Earth?

Physics & Space Science

From the point of view of an observer on the earth, a muon produced high in the atmosphere can reach the ground before decaying because

a. relativity gives it extra time to get there b. of the uncertainty principle c. it is a short distance to the ground d. relativity shortens the distance to the ground

Physics & Space Science