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宇宙最大单一天体起源确认
宇宙 最大单 天体起源
2016/9/26
据美国《大众科学》在线版2016年9月22日消息称,欧洲研究人员发现一“滴”极其明亮的莱曼α斑点(LAB),并确认其形成于一个超巨椭圆星系。该莱曼α斑点横跨30万光年,是两个星系的家园,也是人类迄今已知的宇宙中最大天体之一。
英国绘制最完整宇宙3D图 广度达3.8亿光年(图)
英国 完整 宇宙 3D图
2011/5/30
英国天文学家最近公布了迄今为止最完整的3D版宇宙图像,这份英国普兹茅斯大学的MASS红移巡天图(2MRS)广度达到3.8亿光年,历时10年多测绘而成。这份星系图比之前绘制的图像更接近银道面。
Circular patterns within the cosmic microwave background suggest that space and time did not come into being at the Big Bang but that our universe in fact continually cycles through a series of "aeons...
A step closer to Big Bang conditions?(图)
Big Bang conditions the Large Hadron Collider High Energy Physics
2010/10/13
Since December, the Large Hadron Collider (LHC) has been smashing particles together at record-setting energy levels. Physicists hope that those high-energy collisions could replicate the conditions s...
首张全天域宇宙辐射图揭秘宇宙起源变迁(图)
首张 全天域宇宙辐射图 宇宙起源变迁
2010/7/14
据《每日邮报》报道,欧洲科学家利用“普朗克”天文望远镜完成首张全天域宇宙微波背景辐射图,这张辐射图成功捕捉到宇宙大爆炸遗留痕迹,将为研究宇宙起源演化的过程提供巨大帮助。据报道,这张历时6个月完成的宇宙辐射图全景展示了孕育人类的银河系的现状,同时提供了宇宙形成之初的珍贵信息。图像上遍布于整个银河的宇宙尘埃网络是正在形成或已经开始其生命历程的新星的摇篮。
美国确认宇宙射线由质子组成
美国 宇宙射线 质子
2010/7/7
美国研究人员在最新一期《物理评论快报》上报告称,他们使用位于犹他州的高分辨率蝇眼阵列望远镜,确认高能的宇宙射线由质子组成。美国的高分辨率蝇眼探测器(HiRes)位于犹他州盐湖城西的沙漠中,使用高分辨率的蝇眼探测器,科学家确认,在每个原子核中发现的带正电的成分(质子)组成了宇宙射线,而之前,科学家并不能确认这一点。
犹他州立大学的一名研究人员表示,该HiRes探测器采用立体观测技术,甚至能够探测这...
Michael Turner to direct Kavli Institute for Cosmological Physics(图)
Michael Turner Kavli Institute Cosmological Physics
2010/4/29
The University of Chicago has named Michael S. Turner as director of its Kavli Institute for Cosmological Physics, effective March 29, in an ongoing commitment to probing some of the most puzzling sci...
Mysterious 'dark flow' at the edge of the universe(图)
'dark flow' the edge of the universe
2010/3/26
Astronomers have found that whole clusters of galaxies are moving in convoy towards a single point in the sky. This unexpected motion appears to be separate from the expansion of the universe and the ...
Whether life exists elsewhere in our universe is a longstanding mystery. But for some scientists, there’s another interesting question: could there be life in a universe significantly different from o...
NASA's WISE Eye on the Universe Begins All-Sky Survey Mission
NASA's WISE Eye the Universe All-Sky Survey Mission
2009/12/18
NASA's Wide-field Infrared Survey Explorer, or WISE, lifted off over the Pacific Ocean this morning on its way to map the entire sky in infrared light.A Delta II rocket carrying the spacecraft launche...
Two groundbreaking missions to map the geometry of the universe and study the formation of the earliest galaxies have successfully launched onboard an Ariane–5 rocket from French Guiana. The Herschel ...
科学家发现“天地撞击”证据:小行星残片(图)
科学家 “天地撞击” 小行星残片
2009/5/6
美航天局称一小行星18日近距离飞过地球(图)
美航天局 一小行星 飞过地球
2009/3/20