Obs. : 2012-04-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.195e+11
Venus      4.161e+11
Earth      4.498e+11
Mars       4.413e+11
Jupiter    4.186e+11
Saturn     4.484e+11
Uranus     4.195e+11
Neptune    4.262e+11
Pluto      4.326e+11