Obs. : 2018-07-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.771e+11
Venus      3.809e+11
Earth      3.782e+11
Mars       3.662e+11
Jupiter    3.887e+11
Saturn     3.736e+11
Uranus     3.578e+11
Neptune    3.576e+11
Pluto      3.703e+11