Obs. : 2012-08-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.206e+11
Venus      4.277e+11
Earth      4.183e+11
Mars       3.797e+11
Jupiter    4.288e+11
Saturn     3.797e+11
Uranus     4.257e+11
Neptune    4.228e+11
Pluto      4.114e+11