Obs. : 2010-02-08
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.662e+11
Venus      3.752e+11
Earth      3.824e+11
Mars       3.824e+11
Jupiter    3.752e+11
Saturn     3.775e+11
Uranus     3.818e+11
Neptune    3.752e+11
Pluto      3.524e+11