Obs. : 2019-03-20
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.670e+11
Venus      3.636e+11
Earth      3.606e+11
Mars       3.510e+11
Jupiter    3.583e+11
Saturn     3.604e+11
Uranus     3.528e+11
Neptune    3.670e+11
Pluto      3.604e+11