Obs. : 2010-12-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.843e+11
Venus      3.737e+11
Earth      3.767e+11
Mars       3.843e+11
Jupiter    3.806e+11
Saturn     3.713e+11
Uranus     3.806e+11
Neptune    3.827e+11
Pluto      3.843e+11