Obs. : 2010-11-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.835e+11
Venus      3.687e+11
Earth      3.688e+11
Mars       3.835e+11
Jupiter    3.729e+11
Saturn     3.650e+11
Uranus     3.729e+11
Neptune    3.827e+11
Pluto      3.835e+11