Convert Roman actus to megaparsec
Please provide values below to convert Roman actus [actus] to megaparsec [Mpc], or Convert megaparsec to Roman actus.
How to Convert Roman Actus to Megaparsec
1 actus = 1.14978700999872e-21 Mpc
Example: convert 15 actus to Mpc:
15 actus = 15 × 1.14978700999872e-21 Mpc = 1.72468051499807e-20 Mpc
Roman Actus to Megaparsec Conversion Table
| Roman actus | megaparsec |
|---|
Roman Actus
The Roman actus was a unit of length equal to 120 Roman feet, about 35.5 meters.
History/Origin
The actus was a standard unit of land measurement in the Roman Empire.
Current Use
The Roman actus is an obsolete unit of measurement.
Megaparsec
A megaparsec is a unit of distance used in astronomy, equal to one million parsecs.
History/Origin
The parsec was first coined by British astronomer Herbert Hall Turner in 1913. The megaparsec came into use as astronomical distance measurements extended to other galaxies.
Current Use
The megaparsec is used to measure the distances between neighboring galaxies and galaxy clusters.