Obs. : 2010-03-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.746e+11
Venus      3.813e+11
Earth      3.637e+11
Mars       3.662e+11
Jupiter    3.746e+11
Saturn     3.569e+11
Uranus     3.813e+11
Neptune    3.670e+11
Pluto      3.516e+11