[JoeProBono]

The Astrophysical Journal Letters Volume 758 Number 2

L. E. H. Godfrey et al. 2012 ApJ 758 L27 doi:10.1088/2041-8205/758/2/L27
PERIODIC STRUCTURE IN THE MEGAPARSEC-SCALE JET OF PKS 0637–752

http://iopscience.iop.org/2041-8205/758/2/L27

[SES1066]

Any article / synopsis that contains the following; " ... For models involving modulation of the jet engine, we find that the required modulation period is 2 × 103 yr < τ < 3 × 105 yr." would require me to return to school. Additionally, I need to maintain brain space to keep track of the Federal Tax Code and I submit that the neurons required are mutually exclusive.