Obs. : 2012-08-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.343e+11
Venus      4.382e+11
Earth      4.153e+11
Mars       3.788e+11
Jupiter    4.385e+11
Saturn     3.788e+11
Uranus     4.268e+11
Neptune    4.190e+11
Pluto      4.079e+11