Obs. : 2011-05-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.055e+11
Venus      4.055e+11
Earth      3.989e+11
Mars       4.055e+11
Jupiter    4.055e+11
Saturn     3.907e+11
Uranus     4.113e+11
Neptune    4.064e+11
Pluto      4.006e+11