Obs. : 2014-04-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.115e+11
Venus      4.021e+11
Earth      3.840e+11
Mars       3.847e+11
Jupiter    3.894e+11
Saturn     3.846e+11
Uranus     4.161e+11
Neptune    4.082e+11
Pluto      3.868e+11