Obs. : 2014-07-26
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.588e+11
Venus      3.521e+11
Earth      3.898e+11
Mars       4.346e+11
Jupiter    3.588e+11
Saturn     4.306e+11
Uranus     3.256e+11
Neptune    3.517e+11
Pluto      3.898e+11