Obs. : 2016-02-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.209e+11
Venus      4.209e+11
Earth      4.351e+11
Mars       4.383e+11
Jupiter    4.423e+11
Saturn     4.311e+11
Uranus     4.201e+11
Neptune    4.197e+11
Pluto      4.257e+11