Obs. : 2010-08-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.733e+11
Venus      3.756e+11
Earth      3.731e+11
Mars       3.756e+11
Jupiter    3.753e+11
Saturn     3.730e+11
Uranus     3.753e+11
Neptune    3.709e+11
Pluto      3.723e+11