Obs. : 2016-10-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.831e+11
Venus      3.886e+11
Earth      3.957e+11
Mars       4.099e+11
Jupiter    3.831e+11
Saturn     3.946e+11
Uranus     3.979e+11
Neptune    4.108e+11
Pluto      4.099e+11