Obs. : 2012-08-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.490e+11
Venus      4.436e+11
Earth      3.830e+11
Mars       4.287e+11
Jupiter    4.405e+11
Saturn     4.287e+11
Uranus     3.877e+11
Neptune    3.800e+11
Pluto      3.873e+11