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Small BodiesStories, updates, insights, and original analysis from The Planetary Society.
Addressing some common questions about Comet Lovejoy
Lowell Observatory's Matthew Knight addresses several points of confusion that have repeatedly come up in the coverage of Comet Lovejoy.
Why does ISON look green?
You may have noticed that Comet ISON appears to have a green halo in some recent images, but in other images acquired at about the same time, it doesn’t. Thanks to the beautiful new spectrum posted earlier today by Christian Buil, it’s relatively easy to understand why.