Obs. : 2010-01-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.628e+11
Venus      3.628e+11
Earth      3.702e+11
Mars       3.702e+11
Jupiter    3.757e+11
Saturn     3.527e+11
Uranus     3.791e+11
Neptune    3.757e+11
Pluto      3.571e+11