Obs. : 2017-03-10
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.765e+11
Venus      3.736e+11
Earth      3.640e+11
Mars       3.651e+11
Jupiter    3.668e+11
Saturn     3.736e+11
Uranus     3.651e+11
Neptune    3.834e+11
Pluto      3.745e+11