Speed of Light:
2.997925e+08 m/s
Gravitational Constant:
6.674300e-11 N⋅m²/kg²
Planck Constant:
6.626070e-34 J⋅s
Boltzmann Constant:
1.380649e-23 J/K
Stefan-Boltzmann Constant:
5.670374e-08 W/m²⋅K⁴
Astronomical Unit:
1.495979e+11 m
Parsec:
3.085700e+16 m
Light Year:
9.461000e+15 m
Megaparsec:
3.085700e+22 m
Solar Mass:
1.988470e+30 kg
Solar Radius:
6.957000e+08 m
Solar Luminosity:
3.828000e+26 W
Solar Temperature:
5.778000e+03 K
Earth Mass:
5.972170e+24 kg
Earth Radius:
6.371000e+06 m
Earth Gravity:
9.806650e+00 m/s²
Lunar Mass:
7.342000e+22 kg
Lunar Radius:
1.737000e+06 m
Proton Mass:
1.672622e-27 kg
Electron Mass:
9.109384e-31 kg
Neutron Mass:
1.674927e-27 kg
Mass of Hydrogen:
1.673557e-27 kg
Hubble Constant:
7.000000e+01 km/s/Mpc
Electron Volt:
1.602177e-19 J
Arcsecond:
4.848100e-06 rad
Arcminute:
2.908880e-04 rad
Degree:
1.745329e-02 rad