Obs. : 2016-01-06
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.257e+11
Venus      3.996e+11
Earth      4.245e+11
Mars       3.889e+11
Jupiter    3.948e+11
Saturn     3.996e+11
Uranus     4.254e+11
Neptune    4.280e+11
Pluto      4.160e+11