Obs. : 2015-10-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.703e+11
Venus      4.624e+11
Earth      3.855e+11
Mars       4.677e+11
Jupiter    4.677e+11
Saturn     4.281e+11
Uranus     3.805e+11
Neptune    3.977e+11
Pluto      4.158e+11