Obs. : 2011-05-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.202e+11
Venus      4.202e+11
Earth      4.166e+11
Mars       4.202e+11
Jupiter    4.202e+11
Saturn     4.051e+11
Uranus     4.221e+11
Neptune    4.176e+11
Pluto      4.165e+11