Obs. : 2011-05-29
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.989e+11
Venus      3.989e+11
Earth      4.117e+11
Mars       3.989e+11
Jupiter    4.016e+11
Saturn     4.405e+11
Uranus     3.968e+11
Neptune    3.953e+11
Pluto      4.117e+11