Obs. : 2017-01-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    2.616e+11
Venus      2.614e+11
Earth      2.559e+11
Mars       2.614e+11
Jupiter    2.556e+11
Saturn     2.616e+11
Uranus     2.537e+11
Neptune    2.614e+11
Pluto      2.672e+11