Obs. : 2016-10-02
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.895e+11
Venus      3.809e+11
Earth      3.977e+11
Mars       3.782e+11
Jupiter    3.877e+11
Saturn     3.779e+11
Uranus     3.932e+11
Neptune    3.798e+11
Pluto      3.789e+11