Obs. : 2014-12-28
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.240e+11
Venus      4.175e+11
Earth      3.920e+11
Mars       4.056e+11
Jupiter    3.853e+11
Saturn     4.101e+11
Uranus     3.880e+11
Neptune    3.973e+11
Pluto      4.240e+11