Astronomy: Astronomical Units and Constants
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Astronomy: Astronomical Units and Constants
|
Name |
Symbol |
Metric Equivalent |
|---|---|---|
|
Astronomical unit |
AU |
1.496 × 1011 m |
|
Earth mass |
M |
5.98 × 1024 kg |
|
Gravitational Constant |
G |
( 6.6726 ± 0.0001) × 10–11 N·m2/kg2 |
|
Light year |
ly |
9.463 × 1015 m |
|
Parsec |
pc |
3.086 × 1016 m [3.26 ly] |
|
Solar luminosity |
L |
3.9 × 1026 Watts |
|
Solar mass |
M |
1.99 × 1030 kg |
|
Solar Temperature |
T |
5.780 × 103 K |
Dolan, C. “Physical Constants and Astronomical Data,” www.astro.wisc.edu/~dolan/constants.html
NASA Astronomical Data Center. “Units and Constants,” http://adc.gsfc.nasa.gov/adc/quick_ref/ref_units.html#astroconst
Smith, S. “Some Non-SI Units,” http://alpha.lasalle.edu/~smithsc/Astronomy/Units/astro_units.html
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