A composite image of comet Wild 2 shows part of its surface detail overlain on a longer-exposure image that reveals the outgassing jets. Dust and gas stream into space, leaving a trail millions of miles long.
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A composite image of comet Wild 2 shows part of its surface detail overlain on a longer-exposure image that reveals the outgassing jets. Dust and gas stream into space, leaving a trail millions of miles long. |
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