Obs. : 2016-04-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.059e+11
Venus      4.043e+11
Earth      4.135e+11
Mars       4.088e+11
Jupiter    4.100e+11
Saturn     4.088e+11
Uranus     4.043e+11
Neptune    3.996e+11
Pluto      4.011e+11