Obs. : 2017-03-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.539e+11
Venus      3.542e+11
Earth      3.674e+11
Mars       3.523e+11
Jupiter    3.674e+11
Saturn     3.621e+11
Uranus     3.539e+11
Neptune    3.575e+11
Pluto      3.594e+11