Obs. : 2010-08-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.706e+11
Venus      3.714e+11
Earth      3.842e+11
Mars       3.714e+11
Jupiter    3.806e+11
Saturn     3.683e+11
Uranus     3.806e+11
Neptune    3.815e+11
Pluto      3.805e+11