Obs. : 2026-01-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    8.197e+08
Venus      8.306e+08
Earth      7.071e+08
Mars       8.197e+08
Jupiter    7.086e+08
Saturn     8.113e+08
Uranus     7.618e+08
Neptune    8.113e+08
Pluto      8.306e+08