Obs. : 2010-09-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.681e+11
Venus      3.899e+11
Earth      3.796e+11
Mars       3.858e+11
Jupiter    3.737e+11
Saturn     3.765e+11
Uranus     3.737e+11
Neptune    3.764e+11
Pluto      3.884e+11