Obs. : 2015-05-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.630e+11
Venus      4.653e+11
Earth      4.226e+11
Mars       4.630e+11
Jupiter    4.520e+11
Saturn     4.072e+11
Uranus     4.481e+11
Neptune    4.447e+11
Pluto      4.250e+11