Obs. : 2010-01-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.659e+11
Venus      3.730e+11
Earth      3.614e+11
Mars       3.614e+11
Jupiter    3.696e+11
Saturn     3.577e+11
Uranus     3.602e+11
Neptune    3.696e+11
Pluto      3.637e+11