Obs. : 2016-08-03
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.818e+11
Venus      3.818e+11
Earth      3.787e+11
Mars       3.879e+11
Jupiter    3.915e+11
Saturn     3.879e+11
Uranus     3.577e+11
Neptune    3.700e+11
Pluto      3.787e+11