Obs. : 2019-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.457e+11
Venus      3.439e+11
Earth      3.517e+11
Mars       3.518e+11
Jupiter    3.446e+11
Saturn     3.493e+11
Uranus     3.485e+11
Neptune    3.525e+11
Pluto      3.532e+11