Obs. : 2015-11-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.469e+11
Venus      4.608e+11
Earth      4.743e+11
Mars       4.608e+11
Jupiter    4.675e+11
Saturn     4.379e+11
Uranus     4.603e+11
Neptune    4.495e+11
Pluto      4.265e+11