Obs. : 2011-03-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.040e+11
Venus      3.652e+11
Earth      4.292e+11
Mars       3.794e+11
Jupiter    3.923e+11
Saturn     4.151e+11
Uranus     3.794e+11
Neptune    3.652e+11
Pluto      3.676e+11