Obs. : 2010-12-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.823e+11
Venus      3.757e+11
Earth      3.809e+11
Mars       3.842e+11
Jupiter    3.696e+11
Saturn     3.747e+11
Uranus     3.696e+11
Neptune    3.751e+11
Pluto      3.842e+11