Obs. : 2016-12-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.381e+11
Venus      3.452e+11
Earth      3.388e+11
Mars       3.436e+11
Jupiter    3.199e+11
Saturn     3.317e+11
Uranus     3.377e+11
Neptune    3.436e+11
Pluto      3.381e+11