Obs. : 2010-12-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.829e+11
Venus      3.853e+11
Earth      3.811e+11
Mars       3.829e+11
Jupiter    3.774e+11
Saturn     3.855e+11
Uranus     3.774e+11
Neptune    3.763e+11
Pluto      3.829e+11