Supermassive Black Holes 超大质量黑洞 - 14

It means that Silk and Ree's theory may be right and if it is also right that supermassive black holes helped trigger star formation, then it must mean that all giant black holes and their galaxies ar

Supermassive Black Holes 超大质量黑洞 - 9

Four times a year, Ghez focuses the telescope on the stars of the very heart of our Milky Way. She is looking for the telltale high speeds that reveal the presence of a black hole. The center of the M

Supermassive Black Holes 超大质量黑洞 - 8

In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou

Supermassive Black Holes 超大质量黑洞 - 6

When the results came down from the telescope he saw something that was completely unexpected. The picture from the active galaxy where he hoped to find a black hole was unreadable. NGC 1068 was just

Supermassive Black Holes 超大质量黑洞 - 1

In March 2000, two astronomers made an extraordinary discovery, one that is set to overturn our understanding of how the universe formed. We're never going to see a time like this in astronomy again.

Supermassive Black Holes 超大质量黑洞 - 2

But we are just one in 125 billion galaxies of different shapes and sizes spinning through space. Yet scientists haven't been able to explain how a single one of these galaxies was created. Galaxy for

Supermassive Black Holes 超大质量黑洞 - 3

A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

Supermassive Black Holes 超大质量黑洞 - 4

This ferocious heart of brilliant hot gas is called a quasar. Scientists thought this whirling mass might be caused by a giant black hole sucking up gas and stars, literally feeding on the center of a

Supermassive Black Holes 超大质量黑洞 - 5

By measuring how fast these stars were moving, he could prove if there really was a black hole at the center of an active galaxy. I picked a galaxy nearby which is called NGC 1068, an active galaxy, w

Supermassive Black Holes 超大质量黑洞 - 7

When it's feeding, a giant black hole creates a bright burning gas disk around it and then for some reason, it stops feeding, leaving a dark, deadly core lurking menacingly in the center of the galaxy

Es asi mi amor

Asies Mi Amor, dulcisima y sensual es miel y flor mi aliento en el dolor me da valor cuando no puedo mas, me ense?a dar, me ayuda a perdonar, asi es mi amor, bellisima y sensual, sentimental amante si

简单慢速英语阅读:Golf Lessons

Tim called Howard. Tim needed help. He needed help with his golf swing. He had a bad golf swing. He was a bad golfer. Howard had a good golf swing. He was a good golfer. Will you help me improve my golf swing? Tim asked. Yes, Ill help you improve you

Supermassive Black Holes 超大质量黑洞 - 12

This correlation is the most important thing we've learned about supermassive black hole so far. Astronomers are always looking for correlations. Whenever you find one that's really tight like this on

Supermassive Black Holes 超大质量黑洞 - 13

Silk realized that the energy from this newly formed quasar would create intense temperature changes in the surrounding gas. This would cause the gas around the black hole and its newly formed quasar

2006年VOA标准英语-Rhythm and Blues Singer Earns Eight Grammy Nomi

By Mike O'Sullivan Los Angeles 07 December 2006 Singer Mary J. Blige leads the nominations for the Grammy Awards, announced Thursday morning in Los Angeles. Blige, a rhythm and blues artist, earned eight nominations for the music industry honors. Mi

2006年VOA标准英语-UN Warns of Growing Intolerance Against Mi

By Michael Drudge London 19 April 2006 Antonio Guterres, UN High Commissioner for Refugees launches a new report

VOA标准英语2009年-US Congress Heads Toward Final Votes on Economi

The U.S. Congress is on track for decisive votes on a $789 billion measure aimed at slowing the U.S. economic decline. The House of Representatives is to consider and vote on the bill Friday, with Senate action also expected. House Speaker Nancy Pel

Poles in the media

BBC Learning English Weekender Poles in the media Callum:Hello, I'm Callum Robertson and this is Weekender. One of the largest groups of new migrants to Britain are Poles. In 2004 Poland entered the European Union which gave Polish people much great

2006年VOA标准英语-Pakistan Denies Islamic Charity Link to UK Bomb

By Benjamin Sand Islamabad 15 August 2006 Pakistan has rejected recent news reports linking a local charity with the alleged plan to blow up passenger planes headed to the United States from Britain. Officials insist money donated for earthquake rel

2007年VOA标准英语-Pakistan Police Continue to Battle Religious Mi

By Benjamin Sand Islamabad 04 July 2007 Pakistani officials warned heavily armed militants holed up inside a radical mosque in central Islamabad to lay down their weapons or face attack. After a deadline for 1100 local time passed, several hundred st