Obs. : 2026-06-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.135e+08
Venus      8.102e+08
Earth      7.751e+08
Mars       8.199e+08
Jupiter    8.102e+08
Saturn     8.121e+08
Uranus     8.091e+08
Neptune    8.099e+08
Pluto      7.896e+08