Obs. : 2013-10-23
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.225e+11
Venus      4.161e+11
Earth      4.409e+11
Mars       4.282e+11
Jupiter    4.309e+11
Saturn     4.265e+11
Uranus     4.339e+11
Neptune    4.251e+11
Pluto      4.123e+11