Obs. : 2013-11-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.996e+11
Venus      4.051e+11
Earth      4.326e+11
Mars       4.194e+11
Jupiter    4.407e+11
Saturn     3.968e+11
Uranus     4.175e+11
Neptune    4.090e+11
Pluto      4.051e+11