Obs. : 2013-12-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.160e+11
Venus      4.176e+11
Earth      3.748e+11
Mars       3.781e+11
Jupiter    3.750e+11
Saturn     3.963e+11
Uranus     3.859e+11
Neptune    4.095e+11
Pluto      4.185e+11