Obs. : 2019-01-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.499e+11
Venus      3.459e+11
Earth      3.495e+11
Mars       3.498e+11
Jupiter    3.459e+11
Saturn     3.499e+11
Uranus     3.484e+11
Neptune    3.523e+11
Pluto      3.523e+11