Obs. : 2013-12-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.376e+11
Venus      4.195e+11
Earth      3.876e+11
Mars       4.018e+11
Jupiter    3.881e+11
Saturn     4.202e+11
Uranus     3.748e+11
Neptune    3.896e+11
Pluto      4.310e+11