Obs. : 2012-05-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.729e+11
Venus      4.729e+11
Earth      4.228e+11
Mars       4.734e+11
Jupiter    4.649e+11
Saturn     4.675e+11
Uranus     4.483e+11
Neptune    4.223e+11
Pluto      4.228e+11