Obs. : 2012-08-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.538e+11
Venus      4.539e+11
Earth      3.999e+11
Mars       3.881e+11
Jupiter    4.528e+11
Saturn     3.881e+11
Uranus     4.355e+11
Neptune    4.094e+11
Pluto      3.928e+11