Obs. : 2010-11-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.921e+11
Venus      3.881e+11
Earth      3.872e+11
Mars       3.921e+11
Jupiter    3.797e+11
Saturn     3.843e+11
Uranus     3.797e+11
Neptune    3.832e+11
Pluto      3.905e+11