Obs. : 2014-06-24
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.161e+11
Venus      4.103e+11
Earth      3.672e+11
Mars       3.993e+11
Jupiter    4.235e+11
Saturn     3.810e+11
Uranus     3.921e+11
Neptune    3.789e+11
Pluto      3.693e+11