0 an object that moves around the sun, usually at a great distance from it, that is seen on rare occasions from the earth as a bright line in the sky
1 a body of rock and ice that travels around the sun and that, as it nears the sun, develops a long tail of small pieces that can be seen
An opportunity may thus be presented of determining the mass of one of the largest comets on record, which may not again occur.
Did not God do this very thing when he permitted the comet to strike the earth?
However, the Church of England still embraced the idea that comets and eclipses were evidence of God's wrath.
The comet will visit Mars first, and proceed to Mercury, Jupiter, Venus, and Saturn.
They would be objects of outstanding size, a new family of giant comets or small planets, in a remote part of the solar system.
But they are assuming these micro-organisms came from a comet when no comet has been observed.
There have been several missions to comets over the past 20 years.
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