Obs. : 2009-03-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.483e+11
Venus      3.579e+11
Earth      3.460e+11
Mars       3.483e+11
Jupiter    3.385e+11
Saturn     3.401e+11
Uranus     3.585e+11
Neptune    3.483e+11
Pluto      3.314e+11