Obs. : 2020-11-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    6.797e+08
Venus      6.708e+08
Earth      7.177e+08
Mars       7.269e+08
Jupiter    7.339e+08
Saturn     7.339e+08
Uranus     7.177e+08
Neptune    7.392e+08
Pluto      7.339e+08