Obs. : 2008-11-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.454e+11
Venus      3.456e+11
Earth      3.445e+11
Mars       3.454e+11
Jupiter    3.456e+11
Saturn     3.391e+11
Uranus     3.430e+11
Neptune    3.447e+11
Pluto      3.458e+11