Obs. : 2014-02-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.720e+11
Venus      4.652e+11
Earth      4.101e+11
Mars       4.078e+11
Jupiter    4.083e+11
Saturn     4.144e+11
Uranus     4.337e+11
Neptune    4.644e+11
Pluto      4.497e+11