Obs. : 2011-04-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.752e+11
Venus      3.853e+11
Earth      4.377e+11
Mars       3.738e+11
Jupiter    3.752e+11
Saturn     4.393e+11
Uranus     3.738e+11
Neptune    3.853e+11
Pluto      4.133e+11