Obs. : 2013-07-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.250e+11
Venus      3.987e+11
Earth      4.194e+11
Mars       4.250e+11
Jupiter    4.250e+11
Saturn     4.076e+11
Uranus     4.315e+11
Neptune    4.297e+11
Pluto      4.194e+11