Obs. : 2018-05-31
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.577e+11
Venus      3.591e+11
Earth      3.592e+11
Mars       3.537e+11
Jupiter    3.612e+11
Saturn     3.566e+11
Uranus     3.563e+11
Neptune    3.544e+11
Pluto      3.552e+11