Obs. : 2016-01-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.360e+11
Venus      4.185e+11
Earth      4.291e+11
Mars       4.076e+11
Jupiter    4.058e+11
Saturn     4.185e+11
Uranus     4.334e+11
Neptune    4.347e+11
Pluto      4.326e+11