One might even be an interstellar visitor.
"Ultimately, these are just individual examples, but over Webb's lifetime, we'll eventually observe many comets, and we'll have lots of examples from these different classes, and we can compare them all to each other," Michael Kelley, an associate research scientist at the University of Maryland who is leading the observations of the Jupiter-family and main belt comets, said in the statement.
The study is part of Cycle 1 of the Guaranteed Time Observations program, which will occur during Webb's first year of operations.
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