Comet Nears Sun, Offering Planetary Clues
By KENNETH CHANG
A comet that spent the first 4.5 billion years of its existence in the farthest reaches of the solar system will almost graze the furnace of the sun on Thanksgiving.
Published: November 27, 2013 at 5:00AM
via NYT Science http://www.nytimes.com/2013/11/27/us/comet-nears-sun-offering-planetary-clues.html