Obs. : 2016-01-13
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.734e+11
Venus      3.782e+11
Earth      3.849e+11
Mars       3.896e+11
Jupiter    3.967e+11
Saturn     3.782e+11
Uranus     3.790e+11
Neptune    3.765e+11
Pluto      3.730e+11