Obs. : 2017-03-30
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.846e+11
Venus      3.831e+11
Earth      3.742e+11
Mars       3.841e+11
Jupiter    3.775e+11
Saturn     3.715e+11
Uranus     3.835e+11
Neptune    3.802e+11
Pluto      3.722e+11