Obs. : 2013-08-16
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.618e+11
Venus      3.714e+11
Earth      3.994e+11
Mars       3.733e+11
Jupiter    3.733e+11
Saturn     3.808e+11
Uranus     3.832e+11
Neptune    3.940e+11
Pluto      3.977e+11