Obs. : 2015-11-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.480e+11
Venus      4.485e+11
Earth      4.719e+11
Mars       4.485e+11
Jupiter    4.508e+11
Saturn     4.480e+11
Uranus     4.853e+11
Neptune    4.941e+11
Pluto      4.677e+11