Obs. : 2018-01-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.003e+10
Venus      3.069e+10
Earth      2.965e+10
Mars       2.936e+10
Jupiter    2.936e+10
Saturn     3.069e+10
Uranus     2.992e+10
Neptune    3.069e+10
Pluto      3.096e+10