Asked by qwerty

A Megaparsec is:

- The distance to the Andromeda galaxy
- The distance from which 1 AU subtends an angle of 1 microarcsecond
- The distance from which 1 AU subtends an angle of 1 arcsecond
- The size of the observable universe

Answers

Answered by drwls
The distance from which 1 AU subtends an angle of 1 microarcsecond.

That's a lot easier than your other questions!
Answered by Anonymous
1. Distance in parsecs (d)= 1/(parallax angle in arcseconds

2. 1 arsec = 1/60(arcminute) =4.8481368 µrad

3. 1 parsec = 206264.806 au

4. d = 1/206264.806 = 4.8481368 µrad = 1 arsec

5. d = 1/Megaparsec = 1 micro arsec
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions