Obs. : 2015-11-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.396e+11
Venus      4.494e+11
Earth      4.698e+11
Mars       4.494e+11
Jupiter    4.507e+11
Saturn     4.310e+11
Uranus     4.703e+11
Neptune    4.479e+11
Pluto      4.200e+11