Obs. : 2013-12-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.117e+11
Venus      4.160e+11
Earth      4.181e+11
Mars       3.949e+11
Jupiter    4.098e+11
Saturn     4.112e+11
Uranus     4.420e+11
Neptune    4.284e+11
Pluto      4.106e+11