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translated by G. B. Airy. Naut. Alm .,
Appendix, 1856.
14. COMETS AND METEORS.
Ever since Halley discovered that the
comet of 1682 was a member of the solar
system, these wonderful objects have had a
new interest for astronomers; and a com-
parison of orbits has often identified the re-
turn of a comet, and led to the detection of
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