Obs. : 2012-06-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.343e+11
Venus      4.338e+11
Earth      4.464e+11
Mars       4.613e+11
Jupiter    4.364e+11
Saturn     4.604e+11
Uranus     4.450e+11
Neptune    4.429e+11
Pluto      4.464e+11