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130亿岁!科学家发现迄今最古老隐身黑洞

来源: 南方日报网络版     时间: 2019-08-25 00:43:36
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千旺家周期分红【复制打开官方注册网址www.um288.com】主管微信/QQ【123970342】【龙虎1赔2.211和赔9.95】最高返水,最高赔率,正规信誉大平台,平台24h提供注册及登录。130亿岁!科学家发现迄今最古老隐身黑洞


  130亿岁!科学家发现迄今最古老隐身黑洞

  

130(亿)(岁)(!)(科)(学)(家)(发)(现)(迄)(今)(最)(古)(老)(隐)(身)(黑)(洞)

(天)(闻)(频)(道)

(据)(美)(国)(国)(家)(航)(空)(航)(天)(局)(()NASA())(官)(网)(近)(日)(报)(道)(,)(一)(个)(国)(际)(天)(文)(学)(家)(团)(队)(通)(过)(钱)(德)(拉)X(射)(线)(天)(文)(台)(()CXO())(在)(早)(期)(宇)(宙)(中)(发)(现)(了)(一)(个)(黑)(洞)(,)(它)(被)(气)(体)(所)(覆)(盖)(,)(是)(迄)(今)(发)(现)(的)(距)(离)(最)(远)(的)(黑)(洞)(,)(诞)(生)(于)(大)(爆)(炸)(后)8(亿)(年)(,)(距)(今)(约)130(亿)(年)(。)

(这)(是)(人)(们)(在)(早)(期)(宇)(宙)(中)(发)(现)(的)(首)(个)(被)(气)(体)(隐)(藏)(的)(黑)(洞)(。)(研)(究)(人)(员)(认)(为)(,)(诞)(生)(于)(宇)(宙)(早)(期)(的)(黑)(洞)(可)(能)(很)(多)(都)(很)(隐)(蔽)(,)(未)(被)(发)(现)(,)(对)(其)(进)(行)(深)(入)(研)(究)(有)(助)(于)(揭)(示)(黑)(洞)(的)(生)(长)(历)(程)(。)

(迷)(雾)(遮)(蔽)(的)(类)(星)(体)

(超)(大)(质)(量)(黑)(洞)(的)(质)(量)(是)(太)(阳)(的)(数)(百)(万)(到)(数)(十)(亿)(倍)(,)(通)(常)(通)(过)(吞)(噬)(周)(围)(物)(质)(而)(不)(断)(长)(大)(。)(快)(速)(生)(长)(的)(黑)(洞)(会)(在)(周)(围)(一)(小)(片)(区)(域)(产)(生)(大)(量)(辐)(射)(。)(科)(学)(家)(认)(为)(这)(个)(极)(其)(明)(亮)(、)(紧)(凑)(的)(光)(源)(是)(类)(星)(体)(()quasar())(。)

(目)(前)(的)(理)(论)(认)(为)(,)(在)(一)(个)(超)(大)(质)(量)(黑)(洞)(成)(长)(的)(早)(期)(阶)(段)(,)(稠)(密)(的)(气)(体)(云)(会)(将)(物)(质)(输)(送)(到)(其)(周)(围)(的)(圆)(盘)(内)(,)(而)(这)(个)(盘)(状)(区)(域)(会)(遮)(蔽)(或)(隐)(藏)(类)(星)(体)(的)(大)(部)(分)(强)(光)(。)(随)(着)(黑)(洞)(吞)(噬)(物)(质)(并)(变)(得)(更)(加)(庞)(大)(,)(气)(体)(云)(被)(逐)(渐)(耗)(尽)(,)(黑)(洞)(及)(其)(明)(亮)(的)(圆)(盘)(才)(开)(始)(“)(现)(形)(”)(。)

(研)(究)(团)(队)(负)(责)(人)(、)(智)(利)(天)(主)(教)(大)(学)(的)(法)(比)(奥)(·)(维)(托)(说)(:)(“)(发)(现)(尚)(在)(隐)(蔽)(阶)(段)(的)(类)(星)(体)(十)(分)(难)(得)(,)(因)(为)(其)(大)(部)(分)(辐)(射)(都)(被)(吸)(收)(了)(,)(目)(前)(的)(仪)(器)(无)(法)(探)(测)(到)(。)(多)(亏)(了)CXO(以)(及)X(射)(线)(穿)(透)(云)(层)(的)(能)(力)(,)(我)(们)(终)(于)(将)(其)(‘)(活)(捉)(’)(。)(”)

(此)(次)(最)(新)(发)(现)(来)(自)(于)(科)(学)(家)(们)(对)(一)(颗)(名)(为)PSO167-13(的)(类)(星)(体)(的)(观)(察)(。)(这)(颗)(类)(星)(体)(最)(初)(由)(位)(于)(夏)(威)(夷)(的)(“)(泛)(星)(计)(划)(”)(()Pan-STARRS())(发)(现)(。)(“)(泛)(星)(计)(划)(”)(和)(其)(他)(光)(学)(观)(测)(已)(经)(发)(现)(了)(约)200(颗)(类)(星)(体)(,)(它)(们)(在)(宇)(宙)(还)(不)(到)10(亿)(岁)(时)(就)(已)(发)(出)(明)(亮)(的)(光)(芒)(。)

(光)(学)(观)(测)(方)(法)(只)(能)(有)(效)(探)(测)(到)(未)(被)(遮)(蔽)(的)(黑)(洞)(。)(因)(为)(甚)(至)(由)(气)(体)(和)(尘)(埃)(所)(构)(成)(的)(薄)(薄)(的)(云)(层)(都)(会)(限)(制)(仪)(器)(检)(测)(到)(的)(辐)(射)(范)(围)(。)(所)(以)(科)(学)(家)(一)(开)(始)(认)(定)PSO167-13(也)(来)(自)(一)(个)(未)(被)(遮)(蔽)(的)(黑)(洞)(。)

(为)(了)(验)(证)(这)(一)(想)(法)(,)(维)(托)(的)(团)(队)(通)(过)(使)(用)(钱)(德)(拉)X(射)(线)(天)(文)(台)(观)(测)(了)PSO167-13(和)(其)(他)9(个)(类)(星)(体)(。)(经)(过)16(个)(小)(时)(的)(观)(测)(,)(仅)(从)PSO167-13(中)(检)(测)(到)3(个)X(射)(线)(光)(子)(,)(它)(们)(均)(具)(有)(较)(高)(能)(量)(。)(由)(于)(低)(能)X(射)(线)(比)(高)(能)X(射)(线)(更)(容)(易)(被)(吸)(收)(,)(因)(此)(可)(能)(的)(解)(释)(是)(,)(此)(次)(观)(测)(的)(类)(星)(体)(被)(气)(体)(高)(度)(遮)(蔽)(,)(科)(学)(家)(们)(只)(能)(探)(测)(到)(高)(能)X(射)(线)(。)

(研)(究)(报)(告)(撰)(写)(者)(之)(一)(、)(宾)(夕)(法)(尼)(亚)(州)(立)(大)(学)(帕)(克)(分)(校)(的)(尼)(尔)(·)(勃)(兰)(特)(说)(:)(“)(正)(如)(我)(们)(所)(预)(期)(的)(那)(样)(,)(其)(他)9(个)(所)(观)(测)(到)(的)(类)(星)(体)(都)(未)(被)(遮)(挡)(。)(但)PSO167-13(完)(全)(出)(乎)(了)(我)(们)(的)(预)(料)(。)(这)(就)(像)(你)(想)(观)(察)(一)(只)(飞)(蛾)(,)(却)(直)(接)(发)(现)(了)(它)(的)(茧)(。)(”)

(伴)(星)(星)(系)(又)(添)(猜)(想)

(此)(外)(,)(科)(学)(家)(们)(还)(发)(现)(,)PSO167-13(所)(在)(的)(星)(系)(拥)(有)(一)(个)(紧)(密)(的)(伴)(星)(星)(系)(。)(该)(星)(系)(是)(由)(位)(于)(智)(利)(的)(阿)(塔)(卡)(玛)(大)(毫)(米)(阵)(列)(()ALMA())(和)(哈)(勃)(太)(空)(望)(远)(镜)(()HST())(发)(现)(。)(由)(于)(这)(两)(个)(星)(系)(过)(于)(“)(亲)(密)(”)(,)(且)X(射)(线)(源)(又)(很)(微)(弱)(,)(研)(究)(小)(组)(无)(法)(确)(定)(新)(发)(现)(的)X(射)(线)(辐)(射)(与)(类)(星)(体)PSO167-13(有)(关)(,)(还)(是)(与)(其)(伴)(星)(星)(系)(有)(关)(。)

(如)(果)X(射)(线)(来)(自)(类)(星)(体)(本)(身)(,)(那)(么)(天)(文)(学)(家)(需)(要)(解)(释)(,)(为)(什)(么)(类)(星)(体)(在)X(射)(线)(波)(段)(高)(度)(模)(糊)(,)(而)(在)(可)(见)(光)(波)(段)(却)(并)(非)(如)(此)(。)(一)(种)(可)(能)(性)(是)(,)(在)(进)(行)(光)(学)(观)(测)(和)X(射)(线)(观)(测)(之)(间)(的)(三)(年)(间)(,)(类)(星)(体)(的)(隐)(蔽)(性)(急)(剧)(增)(加)(。)

(另)(一)(方)(面)(,)(如)(果)X(射)(线)(来)(自)(伴)(星)(星)(系)(,)(那)(么)(它)(代)(表)(着)(科)(学)(家)(们)(在)PSO167-13(附)(近)(发)(现)(了)(一)(个)(新)(的)(类)(星)(体)(。)(这)(将)(是)(科)(学)(家)(们)(迄)(今)(探)(测)(到)(的)(最)(遥)(远)(的)(一)(对)(类)(星)(体)(。)

(不)(管)(哪)(种)(情)(况)(,)(钱)(德)(拉)X(射)(线)(天)(文)(台)(探)(测)(到)(的)(类)(星)(体)(将)(是)(迄)(今)(被)(观)(测)(到)(的)(最)(遥)(远)(的)(类)(星)(体)(,)(诞)(生)(于)(宇)(宙)(大)(爆)(炸)(后)8.5(亿)(年)(的)PSO167-13(打)(破)(了)(此)(前)(保)(持)(的)13(亿)(年)(的)(纪)(录)(。)(研)(究)(人)(员)(计)(划)(进)(行)(后)(续)(观)(察)(来)(分)(辨)X(射)(线)(来)(源)(,)(同)(时)(寻)(找)(更)(多)(高)(度)(隐)(蔽)(的)(黑)(洞)(样)(本)(。)

(意)(大)(利)(博)(洛)(尼)(亚)(国)(际)(宇)(宙)(研)(究)(中)(心)(的)(罗)(伯)(特)(·)(吉)(利)(说)(:)(“)(我)(们)(怀)(疑)(,)(早)(期)(宇)(宙)(中)(的)(大)(多)(数)(超)(大)(质)(量)(黑)(洞)(都)(是)(隐)(蔽)(的)(。)(因)(此)(,)(对)(它)(们)(进)(行)(探)(测)(和)(研)(究)(至)(关)(重)(要)(,)(有)(助)(于)(了)(解)(它)(们)(是)(如)(何)(快)(速)(成)(长)(到)10(亿)(个)(太)(阳)(质)(量)(。)(”)


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