Most recently, the au was defined as...: “the radius of an unperturbed circular Newtonian orbit about the Sun of a particle having infinitesimal mass, moving with a mean motion of 0.01720209895 radians per day...
Friday, September 14, 2012
'Astronomical Unit,' or Earth-Sun Distance, Gets an Overhaul
'Astronomical Unit,' or Earth-Sun Distance, Gets an Overhaul:
The new standard... is now 149,597,870,700 meters...
Most recently, the au was defined as...: “the radius of an unperturbed circular Newtonian orbit about the Sun of a particle having infinitesimal mass, moving with a mean motion of 0.01720209895 radians per day...
Most recently, the au was defined as...: “the radius of an unperturbed circular Newtonian orbit about the Sun of a particle having infinitesimal mass, moving with a mean motion of 0.01720209895 radians per day...
Labels:
general relativity,
measurement,
space travel,
sun
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