Obs. : 2016-06-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.866e+11
Venus      3.875e+11
Earth      3.824e+11
Mars       3.856e+11
Jupiter    3.966e+11
Saturn     3.824e+11
Uranus     3.910e+11
Neptune    3.802e+11
Pluto      3.748e+11