Obs. : 2015-10-14
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.928e+11
Venus      4.214e+11
Earth      4.131e+11
Mars       4.034e+11
Jupiter    4.034e+11
Saturn     3.672e+11
Uranus     3.945e+11
Neptune    3.884e+11
Pluto      3.755e+11