Obs. : 2013-12-09
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.848e+11
Venus      3.919e+11
Earth      4.147e+11
Mars       4.199e+11
Jupiter    4.196e+11
Saturn     3.927e+11
Uranus     3.948e+11
Neptune    3.947e+11
Pluto      3.883e+11