Comet ISON is Spewing Out Carbon Dioxide and Dust

As part of the Comet ISON Observing Campaign, the Spitzer Space Telescope was used to "stare" at the comet for 24 hours on Jun 13, 2013. Images from Spitzer's "ISON-a-thon" indicate that carbon dioxide and dust are spewing out of the comet at a fairly large rate. "We estimate ISON is emitting about 2.2 million