Convert astronomical unit to petameter
Please provide values below to convert astronomical unit [AU, UA] to petameter [Pm], or Convert petameter to astronomical unit.
How to Convert Astronomical Unit to Petameter
1 AU, UA = 0.0001495978707 Pm
Example: convert 15 AU, UA to Pm:
15 AU, UA = 15 × 0.0001495978707 Pm = 0.0022439680605 Pm
Astronomical Unit to Petameter Conversion Table
| astronomical unit | petameter |
|---|
Astronomical Unit
The astronomical unit is a unit of length, now defined as exactly 149,597,870,700 meters. It is approximately the average distance between the Earth and the Sun.
History/Origin
Historically, the astronomical unit was the mean Earth-Sun distance. In 2012, the International Astronomical Union (IAU) redefined it as a fixed constant.
Current Use
The astronomical unit is used primarily for measuring distances within the Solar System or around other stars.
Petameter
A petameter is a unit of length in the metric system equal to 10^15 meters.
History/Origin
The prefix "peta-" for 10^15 was adopted by the CGPM (General Conference on Weights and Measures) in 1975.
Current Use
The petameter is used for measuring distances on a galactic scale, such as the size of the Milky Way galaxy.