Obs. : 2019-03-18
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.619e+11
Venus      3.588e+11
Earth      3.556e+11
Mars       3.478e+11
Jupiter    3.541e+11
Saturn     3.552e+11
Uranus     3.510e+11
Neptune    3.619e+11
Pluto      3.552e+11