Comet Schwassmann-Wachmann 1
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- Schwassmann-Wachmann 1 comet - Student Encyclopedia (Ages 11 and up)
The Schwassmann-Wachmann 1 comet was discovered in 1927; period of orbit 16.2 years; first periodic comet observed in every part of orbit; discovered photographically by German astronomers Friedrich Carl Arnold Schwassmann and Arthur Arno Wachmann; noted for explosionlike changes in its brightness which can increase by several magnitudes in a matter of hours.