Obs. : 2016-09-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.876e+11
Venus      3.948e+11
Earth      3.827e+11
Mars       4.070e+11
Jupiter    3.901e+11
Saturn     4.073e+11
Uranus     3.885e+11
Neptune    3.884e+11
Pluto      4.054e+11