单词：disk-shaped galaxy
单词：disk-shaped galaxy 相关文章
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t
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Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy wit
国家地理2008年
AMERICAN MOSAIC - In a Galaxy Far, Far Away, 'Star Wars' Comes to an End By Nancy Steinbach and Caty Weaver Broadcast: Friday, May 27, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special Eng
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Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy with
自然百科2008年
But if you look carefully, stars aren't spread smoothly across the whole sky. They are gathered together into a band that loops around the sky which we call the Milky Way. That bright strip across the sky with its extraordinary abundance of stars and
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HARI SREENIVASAN: It's an eventful day and a humbling one for the electronic giant Samsung, the world's largest maker of smartphones. Today, the company announced that it is halting production of its beleaguered Galaxy Note 7 phone. Reports of the No
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