Obs. : 2015-09-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.065e+11
Venus      4.082e+11
Earth      4.234e+11
Mars       4.082e+11
Jupiter    3.997e+11
Saturn     4.225e+11
Uranus     4.242e+11
Neptune    4.234e+11
Pluto      4.191e+11