Obs. : 2022-04-15
Planet	Ly alpha (photons/cm^2/sec)
Mercury    7.566e+08
Venus      7.444e+08
Earth      7.463e+08
Mars       7.444e+08
Jupiter    7.481e+08
Saturn     7.334e+08
Uranus     7.702e+08
Neptune    7.481e+08
Pluto      7.248e+08