Obs. : 2015-12-17
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.244e+11
Venus      4.221e+11
Earth      4.447e+11
Mars       4.364e+11
Jupiter    4.444e+11
Saturn     4.171e+11
Uranus     4.387e+11
Neptune    4.359e+11
Pluto      4.244e+11