Obs. : 2015-05-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.652e+11
Venus      4.811e+11
Earth      4.296e+11
Mars       4.652e+11
Jupiter    4.799e+11
Saturn     4.315e+11
Uranus     4.501e+11
Neptune    4.340e+11
Pluto      4.254e+11