Obs. : 2015-03-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.688e+11
Venus      4.695e+11
Earth      4.972e+11
Mars       4.659e+11
Jupiter    5.317e+11
Saturn     4.838e+11
Uranus     4.675e+11
Neptune    4.747e+11
Pluto      4.811e+11