Obs. : 2014-07-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.222e+11
Venus      4.222e+11
Earth      3.501e+11
Mars       4.346e+11
Jupiter    4.521e+11
Saturn     4.055e+11
Uranus     3.739e+11
Neptune    3.409e+11
Pluto      3.501e+11