Obs. : 2025-01-22
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.709e+08
Venus      9.016e+08
Earth      9.763e+08
Mars       1.018e+09
Jupiter    1.006e+09
Saturn     9.127e+08
Uranus     9.753e+08
Neptune    9.016e+08
Pluto      9.709e+08