Obs. : 2010-04-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.847e+11
Venus      3.847e+11
Earth      3.654e+11
Mars       3.749e+11
Jupiter    3.754e+11
Saturn     3.608e+11
Uranus     3.754e+11
Neptune    3.674e+11
Pluto      3.615e+11