Obs. : 2025-03-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    9.480e+08
Venus      9.480e+08
Earth      9.070e+08
Mars       8.855e+08
Jupiter    8.992e+08
Saturn     9.327e+08
Uranus     9.321e+08
Neptune    9.480e+08
Pluto      9.043e+08