Obs. : 2008-12-04
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.463e+11
Venus      3.504e+11
Earth      3.486e+11
Mars       3.463e+11
Jupiter    3.504e+11
Saturn     3.433e+11
Uranus     3.488e+11
Neptune    3.493e+11
Pluto      3.488e+11