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。
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。
The moon, by the way, is called a satellite because it goes round our earth as well as round the sun.
顺便说一下,月亮被称为卫星,是因为它围绕着我们地地球盍同时围绕太阳运转。
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