Obs. : 2013-10-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.076e+11
Venus      4.102e+11
Earth      3.725e+11
Mars       4.143e+11
Jupiter    4.202e+11
Saturn     4.096e+11
Uranus     3.725e+11
Neptune    3.742e+11
Pluto      4.055e+11