Obs. : 2013-05-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.481e+11
Venus      4.481e+11
Earth      4.441e+11
Mars       4.538e+11
Jupiter    4.451e+11
Saturn     4.304e+11
Uranus     4.523e+11
Neptune    4.455e+11
Pluto      4.465e+11