Word: orbits
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Dates: during 1890-1899
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Comets move in various orbits. They are sometimes attracted into the solar system by Jupiter, and here they are subject to disintegration, unless some impulse sends them again out of the system. Many comets have a fixed orbit and period; their orbits are very eccentric...
...November meteors are irregularly bunched in their orbit, hence in successive years he number varies...
...Observatory, and about which most of us know so little, a good deal of attention has very lately been paid to the new comet. Although a large number of reports in regard to its probable course have appeared in the newspapers, few of them have any foundation. Its orbit is a very interesting mathematical puzzle. The observations taken here are now being worked upon and the results will be made known in a few days. The comet is almost directly overhead and can be seen with a field glass...