Obs. : 2010-03-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.720e+11
Venus      3.720e+11
Earth      3.866e+11
Mars       3.832e+11
Jupiter    3.691e+11
Saturn     3.848e+11
Uranus     3.720e+11
Neptune    3.637e+11
Pluto      3.589e+11