Obs. : 2019-03-05
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.696e+11
Venus      3.656e+11
Earth      3.566e+11
Mars       3.485e+11
Jupiter    3.595e+11
Saturn     3.622e+11
Uranus     3.562e+11
Neptune    3.696e+11
Pluto      3.622e+11