Obs. : 2013-12-19
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.043e+11
Venus      4.183e+11
Earth      3.972e+11
Mars       3.900e+11
Jupiter    3.900e+11
Saturn     4.020e+11
Uranus     4.359e+11
Neptune    4.308e+11
Pluto      4.065e+11