Obs. : 2016-08-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.979e+11
Venus      3.979e+11
Earth      3.798e+11
Mars       3.909e+11
Jupiter    4.014e+11
Saturn     3.909e+11
Uranus     3.650e+11
Neptune    3.618e+11
Pluto      3.798e+11