Obs. : 2011-03-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.185e+11
Venus      4.401e+11
Earth      4.039e+11
Mars       4.337e+11
Jupiter    4.058e+11
Saturn     4.166e+11
Uranus     4.185e+11
Neptune    4.380e+11
Pluto      4.247e+11