Sentences with phrase «number of small asteroids»

Researchers now report that they can use this gamma ray radiation to infer the number of small asteroids in different groups of small solar system bodies.

Not exact matches

The task will be complicated by the sheer number of such objects and by their diminished brightness — smaller asteroids and comets reflect less light and so more easily escape detection.
By 1846, astronomers had found two more planets, Uranus and Neptune, as well as a number of smaller bodies called asteroids.
A strike by a large asteroid or small comet nucleus (1 kilometer or greater) is but one of several kinds of independent high energy events that could destroy humanity and probably a significant number of other species as well.
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