What is 1AU =_____ Plz answer me
Answers
Answer:his article is about the unit of length. For constants, see astronomical constant. For units in astronomy, see astronomical system of units.
Astronomical unit
Astronomical unit.png
The grey line indicates the Earth–Sun distance, which on average is about 1 astronomical unit.
General information
Unit system Astronomical system of units
(Accepted for use with the SI)
Unit of length
Symbol au or AU
Conversions
1 au or AU in ... ... is equal to ...
metric (SI) units 1.495978707×1011 m
imperial & US units 9.2956×107 mi
astronomical units 4.8481×10−6 pc
1.5813×10−5 ly
The astronomical unit (symbol: au,[1][2][3] or AU) is a unit of length, roughly the distance from Earth to the Sun and equal to about 150 million kilometres (93 million miles). The actual distance varies as Earth orbits the Sun, from a maximum (aphelion) to a minimum (perihelion) and back again once each year. The AU was originally conceived as the average of Earth's aphelion and perihelion; however, since 2012 it has been defined as exactly 149597870700 m.[4]
The astronomical unit is used primarily for measuring distances within the Solar System or around other stars. It is also a fundamental component in the definition of another unit of astronomical length, the parsec.[5]
Contents
1 History of symbol usage
2 Development of unit definition
3 Usage and significance
4 History
5 Developments
6 Examples
7 See also
8 References
9 Further reading
10 External links
Explanation:
Answer:
International Astronomical Union
Explanation:
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