Obs. : 2016-06-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.939e+11
Venus      3.934e+11
Earth      3.859e+11
Mars       3.872e+11
Jupiter    4.062e+11
Saturn     3.859e+11
Uranus     3.977e+11
Neptune    3.957e+11
Pluto      3.904e+11