Obs. : 2016-05-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.033e+11
Venus      4.005e+11
Earth      3.961e+11
Mars       3.910e+11
Jupiter    3.904e+11
Saturn     3.961e+11
Uranus     4.033e+11
Neptune    4.031e+11
Pluto      3.961e+11