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                > 在线听力 > 英◤语高级听力 > 英语时差 >  第381课

                英语时差:女灶神

                所属教程:英语时差

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                2020年01月05日

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                https://online2.tingclass.net/lesson/shi0529/10000/10183/381.mp3
                http://image.tingclass.net/statics/js/2012
                You can see the planet Jupiter on a clear night, but Jupiter is humongous. Mars and Mercury are smaller than that, and you can see them, too. Wait a minute, our moon is even smaller, and you can see that. Could anything smaller than the moon be visible without a telescope? Actually, yes. Though it takes a lot of patience and excellent sky conditions, it is possible to see a tiny object called Vesta. Although it had a molten interior and volcanoes, Vesta isn’t a planet or a moon: it’s an asteroid. Asteroids are stray chunks of rocky or metallic materials that orbit the sun but were never drawn into any of the planets.
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