Obs. : 2012-01-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.293e+11
Venus      4.307e+11
Earth      4.365e+11
Mars       4.267e+11
Jupiter    4.441e+11
Saturn     4.201e+11
Uranus     4.330e+11
Neptune    4.302e+11
Pluto      4.259e+11