Obs. : 2014-02-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.149e+11
Venus      4.483e+11
Earth      3.964e+11
Mars       4.139e+11
Jupiter    3.919e+11
Saturn     4.209e+11
Uranus     3.877e+11
Neptune    4.149e+11
Pluto      4.483e+11