Obs. : 2009-01-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.629e+11
Venus      3.602e+11
Earth      3.507e+11
Mars       3.542e+11
Jupiter    3.607e+11
Saturn     3.465e+11
Uranus     3.602e+11
Neptune    3.621e+11
Pluto      3.481e+11