• Quick note - the problem with Youtube videos not embedding on the forum appears to have been fixed, thanks to ZiprHead. If you do still see problems let me know.

comet ison

  1. T

    Comet C/2012 S1 (ISON)

    I have a couple questions re. Comet ISON a) The green ion tail is apparently due to cyanogen and diatomic carbon; what does this mean? Does this give any indication of where it's come from in the solar system? b) At it's perihelion it will be around 1 degree from the sun (from the observer's...

Back
Top Bottom