Obs. : 2014-10-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.058e+11
Venus      3.973e+11
Earth      3.748e+11
Mars       4.033e+11
Jupiter    3.814e+11
Saturn     4.087e+11
Uranus     3.873e+11
Neptune    3.933e+11
Pluto      3.994e+11