This discovery marks an important milestone, highlighting what only Hubble can accomplish. In its 25 years in orbit, Hubble has made many scientific discoveries in our own solar system. A deep ocean under the icy surface of Ganymede opens up further exciting possibilities for life beyond Earth.
Scientists_have_already_confirmed_the_existence_of_an_ocean_on_Europe,_another moon orbiting Jupiter, and NASA has announced plans to send an unmanned mission there searching for the life that might come with liquid water.
Hubble is a telescope that orbits Earth, but because of its impressive gravitational analyses it can be used to study the inside of far distant planets. Using these same principles, scientists could theoretically detect oceans on distant planets as well.
文章大意:这是一篇关于天文知识的资讯报道。科学家们通过Hubble望远镜判断在木星上发现海洋的存在,人们期待更多的地球以外的生命存在。
8.What can we learn about the Ganymede from the passage?
A.It is a planet with the largest moon in our whole solar system.
B.Its ocean adds to people's excitement about life beyond Earth.
C.It will be used by NASA as a base for the Hubble telescope.
D.Its liquid ocean was first proved by the Galileo spacecraft.
答案:B 细节理解题。根据通过第五段中“A deep ocean under the icy surface of Ganymede opens up further exciting possibilities for life beyond Earth.”可知海洋增加了人们关于地球以外的生命的兴奋。故选B。
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