Obs. : 2017-03-11
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.767e+11
Venus      3.722e+11
Earth      3.640e+11
Mars       3.662e+11
Jupiter    3.640e+11
Saturn     3.733e+11
Uranus     3.662e+11
Neptune    3.832e+11
Pluto      3.753e+11