单词：dwarf elliptical galaxy
单词：dwarf elliptical galaxy 相关文章
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This is Scientific American 60 second Science, I am Karen Hopkin, this will just take a minute. There are in fact 100 billion galaxies, each of which contains something like a 100 billion stars. Well, Carl Sagan would have loved to get the latest est
Scientific American(一)月
VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Bob Doughty with EXPLORATIONS in VOA Special English. This week, we tell about a project to identify images of one million galaxies that have been captured by the Sloan Digital Sky Survey. We also tell
VOA慢速英语2007年（八）月
Possible Earth-Like Planet Next Door? Scientists say they discovered an Earth-like planet orbiting the star closest to our planet other than the Sun. It is the closest planet ever found outside our solar system that could support life as we know it.
2016年VOA慢速英语(九)月
Winking Star Six Centuries Ago Explained 揭秘600年前那颗一闪即逝的恒星 On March 11, 1437, Korean royal astronomers noticed something out of the ordinary in the night sky. There was a brand new star they'd never seen before, between two o
2017年Scientific American(九)月
For astronomers who study the large-scale structure of the universe, dwarf galaxies have proven quite vexing. Because the leading model of cosmology has been unable to account for their relative lack of substance. Now scientists writing in the journa
Scientific American(一)月
Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H
60秒科学
IN THE NEWS - Pluto and Dark Matter Both Star in a Busy Week for AstronomersBy Brianna Blake Broadcast: Saturday, August 26, 2006 This is IN THE NEWS in VOA Special English. Pluto compared to other so
2006年慢速英语（八）月
AMERICAN MOSAIC - In a Galaxy Far, Far Away, 'Star Wars' Comes to an End By Nancy Steinbach and Caty Weaver Broadcast: Friday, May 27, 2005 (MUSIC) HOST: Welcome to AMERICAN MOSAIC, in VOA Special Eng
American Mosaic
This is Scientific American's 60-Second Science,I'm Steve Mirsky,got a minute? Our Milky Way galaxy produces only about 10 new stars annually. But a galaxy far, far away is experiencing a major baby boom. Its pumping out up to 4,000 new stars a year,
Scientific American(七)月
This is Scientific Americans 60-Second Science. I'm Steve Mirsky. Got a minute? Astronomers have discovered a star thats running away from home. The star is speeding away at a blistering 2.6 million kilometers an hour, apparently after being cast out
Scientific American(三)月
Once upon a time in Arabia there ruled a Sultan. He had a son. His name was Arfan. One of the courtiers was a witch. She hated the prince Arfan. So she poisoned the mind of the Sultan against his son. She said, You will be over powered by your son pr
一千零一夜英文故事
By David McAlary Washington 10 January 2006 Before you continue thinking about our Milky Way galaxy as a peaceful, spiral disk of stars slowly rotating through the heavens, consider this: It is hungri
2006年VOA标准英语（一月）
A new galaxy is formed where, instead of the discs that the original galaxies have, where all the stars are going around more or less on a plane. Instead the stars are going every which way just like the elliptical galaxies that we see. And so we are
自然百科2011年
One of the puzzles about our galaxy is that we know that it's had stars forming continuously for about the last ten billion years. But at the rate/ it's eating up its gas now, it's forming new stars, it should burn out that gas soon, should run out o
自然百科2011年
Thats why what we physicists called pressure. This pressure is created as the particles jostle for position. Its a principle of Quantum Mechanics and when it was applying to stars, the lives of dead white dwarfs suddenly made sense. What stopped them
探索与发现2015年
HARI SREENIVASAN: It's an eventful day and a humbling one for the electronic giant Samsung, the world's largest maker of smartphones. Today, the company announced that it is halting production of its beleaguered Galaxy Note 7 phone. Reports of the No
PBS访谈商业系列
> 43 存在于恒星与行星间的黑色物质 DATE=5-2-01 TITLE=SCIENCE REPORT - Dark Matter BYLINE=Jill Moss (Start at 58
科技之光
For centuries it has been one of the most vexing mysteries for mankind: are we, the seven billion inhabitants of this wondrous [en]blue planet really alone, or is there life somewhere out there in the universe? 数百年来，人类一直为一个最大
英语新闻
Some Habitable Zone Exoplanets May Get X-Rayed Out X射线可能照射到一些可居住外行星区域 As astronomers hunt for habitable, Earth-like worlds, one popular place to look is around M stars, a type of red dwarf. Couple reasons for that: 当
2018年科学美国人4月