Obs. : 2010-03-01
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.856e+11
Venus      3.928e+11
Earth      3.646e+11
Mars       3.666e+11
Jupiter    3.856e+11
Saturn     3.629e+11
Uranus     3.928e+11
Neptune    3.791e+11
Pluto      3.612e+11