Obs. : 2012-12-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.173e+11
Venus      4.173e+11
Earth      3.776e+11
Mars       4.263e+11
Jupiter    3.799e+11
Saturn     4.039e+11
Uranus     3.961e+11
Neptune    4.078e+11
Pluto      4.249e+11