Obs. : 2015-03-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.723e+11
Venus      4.471e+11
Earth      4.956e+11
Mars       4.469e+11
Jupiter    4.897e+11
Saturn     4.793e+11
Uranus     4.469e+11
Neptune    4.612e+11
Pluto      4.790e+11