Obs. : 2012-07-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.911e+11
Venus      4.391e+11
Earth      4.441e+11
Mars       3.861e+11
Jupiter    4.438e+11
Saturn     4.002e+11
Uranus     4.500e+11
Neptune    4.502e+11
Pluto      4.441e+11