Obs. : 2012-03-25
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.196e+11
Venus      4.176e+11
Earth      4.297e+11
Mars       4.262e+11
Jupiter    4.174e+11
Saturn     4.280e+11
Uranus     4.196e+11
Neptune    4.163e+11
Pluto      4.129e+11