Obs. : 2019-03-07
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.647e+11
Venus      3.661e+11
Earth      3.559e+11
Mars       3.461e+11
Jupiter    3.609e+11
Saturn     3.639e+11
Uranus     3.492e+11
Neptune    3.660e+11
Pluto      3.639e+11