Obs. : 2012-05-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.515e+11
Venus      4.515e+11
Earth      4.301e+11
Mars       4.386e+11
Jupiter    4.583e+11
Saturn     4.304e+11
Uranus     4.732e+11
Neptune    4.413e+11
Pluto      4.318e+11