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
- 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!
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
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
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