恒星光时的命令性黑暗来寻找系外行星_lol外围投注app

本文摘要:在这样的三星系统中,天文学家刚找到了系外行星。ithastherathercatchynameltt1445ab,asitorbitstheprimarystarofthreereddwarfsthatconstitutethesystemltt1445,locatedaroundLTT1445ifyourestandingonthesurfaceofthatplanet,therearethreesunsinthesky,buttwoofthemareprettyfarawayandsmall-looking,astronomerjenniferwintersoftheharvard-smithsoniancenterforastrophysicstoldnewscientist

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Our Sun is a lone wolf of a star,but out there in the wider Universe,starsareoftenlockedinadancewithothers,orbitingamutualcentre但是广阔的宇宙In one such triple-star system,astronomershavejustfoundanexoplanet .在这样的三星系统中,天文学家刚找到了系外行星。ithastherathercatchynameltt 1445 ab,asitorbitstheprimarystarofthreereddwarfsthatconstitutethesystemltt 1445,locatedaround LTT1445 ifyourestandingonthesurfaceofthatplanet,there are three suns in the sky,buttwoofthemareprettyfarawayandsmall-looking, astronomerjenniferwintersoftheharvard-smithsoniancenterforastrophysicstoldnewscientist .哈佛-史密森天体物理中心天文学家詹妮弗温特但其中两个看起来非常接近和小。

》Theyre like two red,ominous eyes in the sky .“他们就像天空中的两只红色不祥的眼睛。》herteamsresearchasbeensubmittedtotheastronomicaljournal,sowecanexpectittobepeer-reviewed soon .她的团队研究已经提交到《天文学期刊》 因此,应该可以迅速展开同行评议。The planet was discovered by TESS, nasasplanet-huntingspacetelescopedesignedtofindexoplanetsthatpassbetweenusandtheirhomestate bydetectingthelltaledimmingasthes ageofthestarslight .这个行星是由美国航空航天局的行星猎人宇宙望远镜TESS发现的。

天文学家

TESS的愿景是通过检测行星遮挡部分恒星光时的命令性黑暗来寻找系外行星。这些行星从地球和他们的主星之间通过。The depth of dimming, andthetinymovementsofthestarasitisveryslightlypulledbytheplanetsgravity (detectedwithothertelescopes ) allowscientiststoplaceconstraintsonthesizeandmassoftheplanet .科学家根据天黑的程度和恒星乘坐行星重力机车时的微小运动(用其他望远镜观测),行星的大小和质量范围ltt 1445 abisverydifferentfromthe 2016 discoveryofhd 131399 ab,Anotherexoplanetwiththreesuns.LTT 1445 AB和2016年发现的另一个是“三个太阳” thelatterisagiantwitha 550-yearorbitaroundoneofthestarsinatriplesystem 340 light-years away .后者非常大,距离地球约340光年,每50年。

本文关键词:340,望远镜,恒星,十大外围投注平台,重力

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