Obs. : 2012-02-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.156e+11
Venus      4.177e+11
Earth      3.982e+11
Mars       4.057e+11
Jupiter    4.048e+11
Saturn     4.093e+11
Uranus     4.177e+11
Neptune    4.193e+11
Pluto      4.082e+11