Even in the depths of Saturn's orbi, comets deteriorate

When comets first appear near Earth, their bright tails of ionized gas stun

Comets are essentially balls of dirty ice. Astronomers therefore believed that

these objects become dimmer on their repeated returns to Earth because they released too much

But a new study by scientists from the University of Oklahoma found that even

comets that only skirt the inner solar system and remain beyond the orbit of Saturn fad

That makes no sense because, in those far reaches of the solar system, the sun's light i

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In a statement(opens in new tab) about the new research, the scientists suggest there must be something going on, deep in space

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