Obs. : 2013-11-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.172e+11
Venus      3.951e+11
Earth      3.973e+11
Mars       4.372e+11
Jupiter    4.166e+11
Saturn     4.074e+11
Uranus     4.032e+11
Neptune    4.082e+11
Pluto      3.951e+11