Obs. : 2019-03-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.588e+11
Venus      3.598e+11
Earth      3.550e+11
Mars       3.450e+11
Jupiter    3.565e+11
Saturn     3.567e+11
Uranus     3.481e+11
Neptune    3.618e+11
Pluto      3.576e+11