Obs. : 2017-06-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.652e+11
Venus      3.743e+11
Earth      3.677e+11
Mars       3.652e+11
Jupiter    3.685e+11
Saturn     3.666e+11
Uranus     3.730e+11
Neptune    3.691e+11
Pluto      3.680e+11