Obs. : 2010-08-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.781e+11
Venus      3.780e+11
Earth      3.857e+11
Mars       3.780e+11
Jupiter    3.856e+11
Saturn     3.733e+11
Uranus     3.856e+11
Neptune    3.850e+11
Pluto      3.803e+11