The European satellite HIPPARCOS used this approach to measure the distance to more than 100,000 stars that lie several hundred light years from the Sun.
欧洲的天文卫星HIPPARCOS曾用这样的方法测出了超过10万个离太阳数百光年的恒星。
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The European satellite HIPPARCOS used this approach to measure the distance to more than 100, 000 stars that lie several hundred light years from the Sun.
欧洲的天文卫星HIPPARCOS曾用这样的方法测出了超过10万个离太阳数百光年的恒星。
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The moon, by the way, is called a satellite because it goes round our earth as well as round the sun.