例句與造句

1. Some asteroids in elliptical orbits are now identified as extinct comets.
2. It may also be an extinct comet and a source of meteor showers.
3. P / 2007 R5 is probably an extinct comet.
4. We have an article about them : Extinct comet.
5. Roughly six percent of the near-Earth asteroids are thought to be extinct comet nuclei.
6. It's difficult to find extinct comet in a sentence. 用extinct comet造句挺難的
7. In fact, Kresak ( 1977 ) identified it as an " extinct comet nucleus ".
8. She also studied the physical properties of these bodies and the coma of potentially Extinct comets.
9. Its spectrum suggests an extinct comet.
10. In the case of 1999 KW4, the objects may be the remnants of an extinct comet.
11. For volatile materials in extinct comets, heat can be used to melt and vaporize the matrix.
12. This comet probably represents the transition between typical Halley-family / long-period comets and extinct comets.
13. Due to its comet-like orbit and albedo, Don Quixote has ever been suspected to be an extinct comet.
14. The comet has extremely low activity for its size and is probably in the process of evolving into an extinct comet.
15. Similarly, Jupiter-family comets, and possibly near-Earth asteroids that are extinct comets, might also provide water.
16. Extinct comets are those that have expelled most of their volatile ice and have little left to form a tail or coma.
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