这颗行星名为51Pegasib,围绕它的恒星 51Pegasi快速旋转,而这颗恒星距离地球50光年。 The planet, 51 Pegasi b, moves rapidly around its star , 51 Pegasi, which is 50 light years from the Earth. 它的恒星 位于天鹅座和天琴座内,比我们的太阳光亮25%。Its star is within the Lyra and Cygnus constellations and shines 25% less bright than our sun. 它的恒星 也与我们的恒星相似,大约有80%的太阳光度。Its star is also similar to ours in size with about 80 percent of the sun's luminosity. 此外根据研究团队的论文所述,HD40307g星距离它的恒星 距离足够远所以很可能不会被潮汐锁定。 In addition, HD 40307 g is located far enough away from its star to likely not be tidally locked, according to the team's paper. 它的恒星 位于天鹅座和天琴座内,比我们的太阳光亮25%。Its star is within the Lira and Cygnus constellations and 25% less shiny than our Sun.
它于2008年5月16日被发现,每隔95.274天就会围绕它的恒星 运转,比水星绕太阳周旋一点。 It was found on 16 May 2008 and orbits its star every 95.274 days, a little longer than Mercury takes to go round the Sun. 据科学家称,这颗行星可能太冷而无法维持生命,因为它的恒星 太微弱了。 According to scientists the planet is likely to be too cold to sustain life, as its star is so faint. HD189733b在其轨道上“被”锁定“,这意味着行星的同一侧总是面向它的恒星 。 HD 189733 b is“tidally locked” in its orbit, meaning that the same side of the planet always faces its star . 但是不要被欺骗:这个巨大的气体行星旋转,以最低的轨道非常接近它的恒星 。 But do not be fooled: this huge gas giant rotates at a minimal orbit very close to its star . 它是金属丰度最高的球状星团之一,表明它的恒星 中,比氦重的元素的含量相对较高。 It is one of the metal-richest globulars, meaning that its stars show a relatively high abundance of elements heavier than Helium. 当暗物质存在时,那个星系的引力会增大,导致它的恒星 比正常物质存在时运动得更快。 When dark matter is present, that galaxy's gravity will be bulked up, causing its stars to move faster than if just normal matter were present. 这颗行星比我们的海王星更接近它的恒星 ,每五天大约一圈。 Unlike our Neptune, this planet orbits closer to its star , making one lap roughly every five days. Em系外行星HD80606b的大部分时间都远离它的恒星 ,但每隔111天它就会狂热地关闭。 The exoplanet HD80606 b spends most of its time far from its star , but every 111 days it swings in feverishly close. 由于TOI700d被潮汐锁定在它的恒星 上,这颗行星的云结构和风模式可能与地球截然不同。 Because TOI 700 d is tidally locked to its star , the planet's cloud formations and wind patterns may be strikingly different from Earth's. 当行星直接穿过它的恒星 和观察者之间时,它会使恒星的光线变暗一个可测量的数量。 When a planet passes directly between its star and an observer, it dims the star's light by a measurable amount. 由于TOI700d被潮汐锁定在它的恒星 上,这颗行星的云结构和风模式可能与地球截然不同。 Since TOI 700 d is tidally locked to its star , the cloud formations of the planet and its wind patterns might be different from Earth's. 黑点被用来掩盖它的恒星 光线,否则这些光线将遮住并隐藏这颗年轻的行星。 The black dot is used to mask the light of its star , which would otherwise overwhelm the image and hide the young planet. 类似木星的星球每隔2.2天就会围绕它的恒星 旋转,与水星对太阳的距离接近恒星。 The Jupiter-like planet whips around its star every 2.2 days and is closer to its star than Mercury is to the Sun. 让我们想象一个气体巨星在它的恒星 的可居住地带,月亮比海王星在一个大轨道上更大。 Let's imagine a gas giant in the habitable zone of its star with a moon more massive than Neptune on a wide orbit. 当HD80606b紧挨着它的恒星 时,恒星的重力挤压它。 When HD 80606b whips closely by its star , the gravity of the star squeezes it. 这种拉动可以将一个世界拉伸成椭圆形或卵形,并且可能导致它移近它的恒星 。 This pulling can stretch a world into an ellipsoidal or egglike shape as well as possibly causing it to migrate closer to its star . 它很有可能在接下来的一百万年里完全被撕裂,当它最终螺旋太接近它的恒星 。 There's a good chance that it will be torn apart completely within the next million years, when it finally spirals too close to its star . 克尔黑洞可能是自然界中最常见的形式,它之所以旋转是因为形成它的恒星 是旋转的。 The Kerr black hole, which is probably the more common form in nature,rotates because the star from which it was formed was rotating. 这使得像开普勒-421b这样的系外行星难以用我们的设备进行探测,因为它很少穿过它的恒星 路径。 That makes an exoplanet like Kepler-421b harder to detect with our equipment because it so rarely crosses the path of its star . KELT-9b(如上图所示)非常接近它的恒星 -一种名为KELT-9的热门“A型”-它的朝向星面的温度几乎和我们自己的太阳一样高。 KELT-9b(imagined above) is so close to its star - a hot“A-type” named KELT-9- that its star-facing side reaches temperatures almost as hot as our own sun. 距离地球大约500光年,开普勒-186f比地球大不超过10%,并通过它的恒星 的可居住区航行,使其表面潜在水分。 About 500 light-years from Earth, Kepler-186f is no more than 10 percent larger than Earth, and sails through its star 's habitable zone, making its surface potentially watery. 其中新发现的开普勒-90i是一颗炽热的岩石行星,它每隔14.4天环绕它的恒星 运行一次,它是通过谷歌的机器学习发现的。 The newly-discovered Kepler-90i which is a sizzling hot, rocky planet that orbits its star once every 14.4 days was found using machine learning from Google AI. 它是所谓的“炽热木星”,一颗巨大的气体星,依著一条非常紧绷的轨道环绕它的恒星 ,其绕一圈为4.6天。 It is what's known as a"hot-Jupiter," a gas giant circles its star in a very tight orbit, in this case 4.6 days.
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