理学 >>> 天文学 >>> 星系与宇宙学 >>> 星系动力学 星系天文学 运动宇宙学 星系际物质 大爆炸宇宙论 星系形成与演化 宇宙大尺度结构起源与演化 星系与宇宙学其他学科
搜索结果: 61-75 共查到星系与宇宙学相关记录79条 . 查询时间(1.837 秒)
引力波是宇宙从大爆炸中诞生后紧接着瞬间的极度混沌中产生的,就像宇宙初生时发出的“啼哭”声。爱因斯坦在广义相对论中预言了引力波的存在,科学界一百多年来一直苦苦探寻引力波。一个国际科研小组在2009年8月20日出版的新一期《自然》杂志上报告说,他们终于锁定了引力波的探测范围。
寻找核能发电的原料——氦3,是人类探月的一项重要目标。但月球上究竟有多少氦3至今众说纷纭。根据阿波罗号带回的样品,美国科学家分析认为,月球上氦3资源量在100万吨~500万吨之间,评估跨度很大,究竟是靠近100万吨还是500万吨?
欧洲航天局6月19日说,该机构上月发射的“赫歇尔”卫星日前拍下第一批图像,虽然图像内容是一个为人熟知的涡状星系,但其清晰度比以前有了很大提高。
据俄罗斯《纽带》网报道,一支由意大利、瑞士、西班牙和俄罗斯科学家组成的观测小组近日宣布,他们很可能在人类历史上第一次发现了一颗位于银河系之外的行星。
OLIN C. WILSON WAS a stellar spectroscopist who spent his entire research career (1932-82) observing at the Mt. Wilson and Palomar observatories. He is known for being the first person to derive activ...
Throughout his life Rossi reveled in the natural beauty of the mountains, where he did many of his cosmic-ray experiments, the desert around Los Alamos, where he worked on the atomic bomb, and the sea...
IN THE MID-NINETEENTH CENTURY the discovery of new asteroids was still far from routine. These objects had not yet grown so numerous as to earn for themselves the contemptuous label later applied, "ve...
Strangers in the night sky(图)     Andromeda Galaxy       < 2007/5/30
29 May 2007,Andromeda XII offers clues to how galaxies form A“small” galaxy has been spotted entering our own part of space and could give astronomers a tantalising glimpse of how galaxies are formed.
29 March 2007,Scientists are about to release the initial results from the AKARI mission which is shedding light on both the birth and death of stars and galaxies.
6 March 2007,BERKELEY – A massive project to generate an all-color map of the galaxies in a small area of sky, utilizing four satellite telescopes and four ground-based telescopes, is yielding new inf...
07 March 2007,Cosmology presents a singular challenge to those who would attempt to explain its mysteries and conundra to a general audience. For example, the author of the preceding authoritative-sou...
February 23, 2007,The first 3 images below are examples of images of M31, the Andromeda Galaxy, made with the first few elements (antennas) of the Allen Telescope Array (ATA). These maps (or radio ima...
8 January 2007,Dark matter is fundamentally different from normal “luminous” matter that makes up stars, planets and humans. It is invisible to modern telescopes, giving off no light or heat, and it s...
14 December 2006,The European Space Agency’s Mars Express spacecraft is providing new clues about the red planet’s geological history.
16 December, 2006,The surprises began early on, with the second grain Brownlee worked on in his laboratory -- a calcium-aluminum inclusion, a rare material found in some meteorites. The stunning thing...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...