According to Wikipedia, a parsec is 30 trillion kilometers.
So, a megaparsec is 30 million trillion kilometers.
And, since there are about .62 miles in a kilometer,
a megaparsec is about 19 million trillion (or quintillion) miles.
More precisely, 1 parsec = 3.08568025 x 10^16 meters.
So, 1 megaparsec = 10^6 * 3.08568025 x 10^16 meters
or 3.08568025 x 10^22 meters. Converting to kilometers,
a megaparsec is 3.08568025 x 10^19 kilometers. Converting
to miles, a megaparsec is .621371192 * 3.08568025 x 10^19
miles or 1.91735282 x 10^19 miles. This is equivalent to
19.1735282 x 10^18 miles. Since 10^18 is a million trillion
(or quintillion), 1 megaparsec = 19.1735282 million trillion miles.
1 megaparsec = 3.08568*1019 km.
1 megaparsec is equal to about 3.09 million light-years or approximately 3.09 x 10^19 kilometers.
71 km/s per megaparsec is an acceleration, not a velocity. Key this into the Google task bar: convert 71 km per second to miles per hour Out pops: In each case this would be the acceleration over a megaparsec (about 3 million light years) Sounds about right for the Hubble Constant.
The expansion of the edge of the universe is happening at a rate of about 46 miles per second per megaparsec.
5,795 kilometers per second = 12,963,050 miles per hour (rounded)
1 parsec = 3.0857x1016 metres = 3.0857x1026 Angstrom units.So, 1 megaparsec = 3.0857*1032 Angstrom units.And then, cubing them,1 cubic megaparsec = 2.938x1097 cubic Angstrom units.
Megaparsec . . . Femtometer
A megaparsec is a unit of length used in astronomy to measure extremely large distances. It is equal to one million parsecs, where 1 parsec is approximately 3.26 light-years. Megaparsecs are commonly used to describe distances between galaxies or clusters of galaxies.
Probably the cubic megaparsec.
The rate of expansion of the universe is measured by the Hubble constant, which is around 70 kilometers per second per megaparsec.
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