asteroid belt造句
31. The cosmic pile-up is the first ever witnessed in the asteroid belt, 90 million miles away in space.
32. The Pleiades won, and Maldek was shattered by spacecraft thus becoming your asteroid belt.
33. It is also the former number of Route 491, a brand of cough syrup, and forms part of the name of 666 Desdemona, a minor planet in the asteroid belt.
34. So Pluto should be a planet, as should Eris and the dwarf planet Ceres (the largest body in the asteroid belt between Mars and Jupiter), as well as many other objects.
35. The planetlike object Ceres would have to be in a separate class, because it resides in the main asteroid belt, between the orbits of Mars and Jupiter.
36. Moving on through the asteroid belt we enter the realms of the gas giant planets: Jupiter, Saturn, Uranus and Neptune, all of which dwarf the Earth.
37. The inner belt orbits at a distance of about 3 astronomical units from its star--or about the same position as the asteroid belt in our own solar system.
38. Recently, scientist have also discovered comets in the main asteroid belt —these main-belt comets might be a key source of water for the inner terrestrial planets.
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