Obs. : 2017-06-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.646e+11
Venus      3.721e+11
Earth      3.652e+11
Mars       3.646e+11
Jupiter    3.696e+11
Saturn     3.634e+11
Uranus     3.698e+11
Neptune    3.628e+11
Pluto      3.628e+11