A. Earth is a star. B. Planets don't move. C. Earth moves around the moon. D. Earth moves around the sun. 相关知识点: 试题来源: 解析 D。A 选项“地球是一颗恒星”错误。B 选项“行星不移动”错误。C 选项“地球围绕月亮转”错误。只有 D 选项正确地表达了文中内容。反馈...
The first is a pair of planets, each about the mass of Jupiter, which whirl around their home star 15 light-years from Earth in perfect lockstep. One takes 30 days to complete an orbit, the other exactly twice as long. Nobody has ever seen such a configuration. But the second ...
百度试题 结果1 题目Planets move around the ___. A. sun B. earth C. moon D. star 相关知识点: 试题来源: 解析 A。行星绕着太阳转。选项 B“earth”是地球;选项 C“moon”是月亮;选项 D“star”是恒星。反馈 收藏
Small Planets around Sunlike StarThe article focuses on three new planets that were found around a star called 61 Virginis.Luntz, StephenAustralasian Science
The meaning of PLANET is any of the large bodies that revolve around the sun in the solar system. How to use planet in a sentence. Did you know?
Based on the large number of elliptical planetary nebulae I argue that ~55 % of all progenitors of planetary nebulae have planets around them. The planets spin up the stars when the later evolve along the red giant branch or along the asymptotic giant branch. The arguments, which were present...
teachers tell us planets around stars go 翻译结果5复制译文编辑译文朗读译文返回顶部 Teacher tells us the planet encirclement star extension 相关内容 amaharashtra,INDIA 马哈拉施特拉,印度[translate] aFire Water 火水[translate] a我等你好久了 I waited for you for a long time[translate] ...
radio telescope in northern chile have been studying a planet-forming disk of dust and gas around a little binary star called hd 142527, hanging out just a mere 450 light-years from earth. the system is comprised of a main star just a little over twice the mass of the sun, and a ...
a我在想。这个夏天还是会过去的。行星绕着恒星打转。而彗星只需要负责划过天际。会留下痕迹 ,但终究只是过客。 I was thinking.This summer can pass by.The planet spins around the star.But the comet only needs to delimit the horizon responsibly.Can leave behind the trace, but is only eventually th...
This is an artist's impression of a protoplanetary disk. Newly formed planets can be seen traveling around the central host star, sweeping their orbits clear of dust and gas. These same ring-link structures were observed recently by ALMA around the young star HL Tau. There are two planets ...