Obs. : 2011-03-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.024e+11
Venus      3.757e+11
Earth      4.181e+11
Mars       3.882e+11
Jupiter    4.111e+11
Saturn     4.076e+11
Uranus     4.111e+11
Neptune    3.797e+11
Pluto      3.779e+11