Obs. : 2018-07-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.047e+11
Venus      4.084e+11
Earth      3.932e+11
Mars       3.878e+11
Jupiter    3.982e+11
Saturn     3.904e+11
Uranus     3.927e+11
Neptune    3.841e+11
Pluto      3.883e+11