Obs. : 2015-11-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.489e+11
Venus      4.652e+11
Earth      4.191e+11
Mars       4.652e+11
Jupiter    4.652e+11
Saturn     4.198e+11
Uranus     4.114e+11
Neptune    4.107e+11
Pluto      4.050e+11