Obs. : 2014-04-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.762e+11
Venus      3.747e+11
Earth      4.084e+11
Mars       3.968e+11
Jupiter    3.610e+11
Saturn     4.084e+11
Uranus     3.762e+11
Neptune    3.747e+11
Pluto      3.856e+11