Obs. : 2018-07-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.919e+11
Venus      3.948e+11
Earth      3.806e+11
Mars       3.767e+11
Jupiter    3.867e+11
Saturn     3.798e+11
Uranus     3.809e+11
Neptune    3.729e+11
Pluto      3.782e+11