A new study, however, cautions that the X-ray environment of these dwarfs may give us false positives. They looked at Earth-mass planets in the neighborhood of four stars, such asGJ 667(which has three planets that could be habitable), and concluded it’s possible for oxygen to re...
根据划线单词所在句To be considered habitable, planets must orbit a stable star that keeps a temperature suitable for liquid water.可知,要想被认为适合居住,行星必须围绕一颗稳定的恒星运行,并保持适宜液态水的温度。结合常识我们知道,行星一般是围绕着恒星转动的,由此可知,此处划线单词 “orbit”的意思是“围绕...
Since 2009, the Kepler mission has tallied 989 confirmed exoplanets in the Milky Way; once the James Webb telescope launches in 2018, that number should rise. But do any of these have conditions as cushy as ours-what astronomers call "superhabitable"? To make a ballpark assessment, a team ...
根据“To be considered habitable, planets must orbit a stable star tha t keeps a temperature suitable for liquid wate r.“要被认为是宜居的,行星必须围绕一颗稳定的 恒星运行,orbit围绕 运行,故选A。 (3)B解析:推理判断题。 根据第三段“IfKOI-45 6.04's atmosphere is like the Earth's-meaning ...
Pluto so that the two planets remain in orbits that cross, Pluto has not cleared its own orbit and was therefore demoted from planet status to that of a newly created category,dwarf planet.Like a planet, a dwarf planet orbits the sun, is large enough to assume a nearly round shape, and...
“A planet”是一个短语，通常用来指代行星。关于“a planet”的造句可以有很多种，比如：1.Earth is a planet in the solar system.2.Jupiter is the largest planet in our solar system.3.Many scientists believe that there may be other habitable planets in the universe.4.The discovery of a new ...
Noun1.outer planet- (astronomy) a major planet whose orbit is outside the asteroid belt (Jupiter, Saturn, Uranus, Neptune, Pluto) astronomy,uranology- the branch of physics that studies celestial bodies and the universe as a whole major planet,planet- (astronomy) any of the nine large celes...
3. Earth's Counterpart: When specifically referring to Earth, "planet" highlights the unique characteristics that make our planet habitable, such as its suitable distance from the sun and the presence of water.4. Environmental Protection: In discussions about sustainability and ...
In order for an exoplanet to be defined as habitable, there is a long list of requirements that need to be satisfied. One is that the planet needs to be in thehabitable zonewhere water can exist in liquid form. It is also necessary that the planet has an atmosphere to protect the plan...
三、阅读理解人类或发现宜居星球You may wonder if the Earth is the only habitable(可居住的)planet in the universe. There is a largenumber of the galaxies(星系) and many scientists be-lieve that there are certainly aliens.NASA announced the discovery of a possible Earth-like planet and it coul...