Obs. : 2014-10-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.141e+11
Venus      4.141e+11
Earth      4.438e+11
Mars       3.945e+11
Jupiter    4.265e+11
Saturn     3.995e+11
Uranus     4.369e+11
Neptune    4.310e+11
Pluto      3.951e+11