Obs. : 2010-05-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.780e+11
Venus      3.777e+11
Earth      3.673e+11
Mars       3.821e+11
Jupiter    3.661e+11
Saturn     3.791e+11
Uranus     3.730e+11
Neptune    3.604e+11
Pluto      3.632e+11