Obs. : 2017-07-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.666e+11
Venus      3.728e+11
Earth      3.793e+11
Mars       3.643e+11
Jupiter    3.766e+11
Saturn     3.776e+11
Uranus     3.768e+11
Neptune    3.787e+11
Pluto      3.794e+11