Obs. : 2014-09-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.166e+11
Venus      4.238e+11
Earth      4.256e+11
Mars       4.153e+11
Jupiter    4.274e+11
Saturn     4.153e+11
Uranus     4.207e+11
Neptune    4.256e+11
Pluto      4.212e+11