Obs. : 2018-03-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.472e+11
Venus      3.472e+11
Earth      3.479e+11
Mars       3.484e+11
Jupiter    3.479e+11
Saturn     3.487e+11
Uranus     3.472e+11
Neptune    3.472e+11
Pluto      3.492e+11