LINE

Text:AAAPrint
ECNS Wire

英雄联盟老虎机优惠: Chinese scientist-led team discovers earliest protocluster

1
2021-01-27 14:50:33申博真人娱乐官网直营 www.144815.com Editor : Mo Hong'e ECNS App Download
本文来源:http://www.144815.com/www_qianzhan_com/

申博真人娱乐官网直营,第二枚则被“标准2”和“先进海麻雀”的接连拦截,未被击中,最后自行坠海。”她还表示,“展览将加强中英两国间的文化交流,进一步增进两国间的长久关系。  比较引人注目就是酒类,有红酒、洋酒和白酒,记者看到现场有6瓶茅台酒和6瓶五粮液,茅台年份有50年和15年的,有的市场价为3万多元一瓶,起拍价为9480元/瓶,五粮液每瓶起拍价为3770元。  位于北京朝阳的一处别墅区,不直播时,邢丽会去逛逛街买买衣服,直播期间需要的服装都是自己准备。

羊某提出抢劫网约车后将车卖掉,所得平分。如果以此关键词搜全文,则有208个结果。中方坚定支持政治解决叙利亚问题,支持由叙利亚人民自主决定叙利亚国家未来,反对外部势力干预。但对于所购打印机的具体品牌、型号,该工作人员表示不清楚。

”拥有多年港股炒股经验的股民胡显明说。半个赛季为国安攻入9球,成功完成保级任务。该民调显示,与其他左派候选人相比,前总理瓦尔斯在首轮投票中获得的投票意向遥遥领先。但是,实际上利用互联网来进行犯罪都有痕迹。

(ECNS) -- A research project initiated by the University of Science and Technology of China (USTC), involving astronomers from China, the United States and Chile, has discovered the earliest protocluster known to date in the Universe, the university announced on Tuesday.

LAGER-z7OD1, as the earliest protocluster is called, was discovered in the Lyman Alpha Galaxies in the Epoch of Reionization (LARGE) project, according to the research team. Astronomers found this protocluster in data from the Dark Energy Camera on a four-meter Telescope at the CTIO observatory in Chile.

Using Magellan Telescope in Chile, the team confirmed it is the earliest known protocluster identified by spectroscopic measurements and that the Universe is only 770 million years old. Besides, the total volume of ionized bubbles generated by its member galaxies was found to be comparable to that of the protocluster, indicating the merging of ionized bubbles to form giant equivalents.

After the Big Bang, the Universe cooled down and entered the Dark Ages. With the formation of the first stars and galaxies, their ultraviolet photons began to ionize the surrounding neutral hydrogen, forming ionized bubbles, gradually turning the Universe transparent, and thus ending the Dark Ages. This overall phase change process in the early Universe is called Reionization. The observation of the cosmic reionization process and galaxies in this period is a very challenging task on the frontier of Astrophysics. 

Astronomers expect galaxies in the Universe's Epoch of Reionization to be strong Lyman-a emission line objects. 

By searching the Lyman-alpha emitting galaxies and analyzing the spatial distribution of galaxy candidates, the LAGER team has discovered LAGER-z7OD1, an over-dense region of 21 narrowband selected Lyman-alpha galaxies.

This discovery not only sets a redshift record but also provides an excellent observation target for further study of the cosmic reionization process and ionized bubbles.

The discovery was published in Nature Astronomy on Monday. 

Most popular in 24h

MoreTop news

MoreVideo

LINE
Back to top Links | About Us | Jobs | Contact Us | Privacy Policy
Copyright ©1999-2021 Chinanews.com. All rights reserved.
Reproduction in whole or in part without permission is prohibited.
申博真人娱乐官网直营
菲律宾申博娱乐直营网 www.100msc.com 申博138娱乐网直营 www.98tyc.com 申博代理管理网登入 太阳城在线注册登入
菲律宾申博开户合作 太阳城申博登入 菲律宾申博现金网登入 菲律宾太阳城申博 菲律宾申博开户网址 太阳城开户信誉最好登入
旧版太阳城申博直营网 申博电子游戏直营网 申博娱乐手机登入 777老虎机微信支付充值 申博管理登入 www.516sun.com