Obs. : 2019-02-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.437e+11
Venus      3.587e+11
Earth      3.475e+11
Mars       3.386e+11
Jupiter    3.509e+11
Saturn     3.587e+11
Uranus     3.386e+11
Neptune    3.386e+11
Pluto      3.595e+11