Obs. : 2015-10-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.771e+11
Venus      4.456e+11
Earth      4.245e+11
Mars       4.456e+11
Jupiter    4.456e+11
Saturn     4.933e+11
Uranus     4.464e+11
Neptune    4.577e+11
Pluto      4.970e+11