Obs. : 2014-04-27
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.386e+11
Venus      4.122e+11
Earth      4.016e+11
Mars       3.959e+11
Jupiter    4.371e+11
Saturn     4.014e+11
Uranus     4.188e+11
Neptune    3.975e+11
Pluto      3.986e+11