Obs. : 2019-08-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.480e+11
Venus      3.454e+11
Earth      3.484e+11
Mars       3.454e+11
Jupiter    3.451e+11
Saturn     3.457e+11
Uranus     3.572e+11
Neptune    3.484e+11
Pluto      3.457e+11