Obs. : 2010-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.733e+11
Venus      3.630e+11
Earth      3.522e+11
Mars       3.506e+11
Jupiter    3.791e+11
Saturn     3.465e+11
Uranus     3.728e+11
Neptune    3.791e+11
Pluto      3.630e+11