2016年CRI Elemental Fusion: Spanish gemologist embraces jewelry designs with cultural implications

For many foreigners, part of the attraction of China is its mysterious and ancient splendor. But what attracts Chinese people? It was something that Paloma Sanchez, a certified GIA gemologist from Spain, had to learn through first-hand experience. Pa

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

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

Bush Offers Five-Step Strategy for Iraq's Future

Scott Stearns President Bush says he has a clear strategy for the future of Iraq. Mr. Bush laid out his plan at a time when U.S. public opinion polls show falling support for his handling of the situa

2006年VOA标准英语-Egyptian Police Accused of Torturing Protester

By Challiss McDonough Cairo 29 May 2006 Supporters of the opposition umbrella group Kifaya, or Enough, chant anti government slogans during a demonstration in Cairo (File photo - Jan. 27, 2006) Opposition activists in Egypt are accusing the police o

VOA标准英语2010年-President to Decide McChrystal's Futur

President Barack Obama is deciding whether to fire his commander in Afghanistan after the officer, General Stanley McChrystal, and his staff made derogatory statements about the president and other senior administration officials. The comments were m

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

VOA常速英语2007-US Visa Lottery Underway Despite Uncertain Futur

By Alex Villarreal Washington 30 October 2007 The United States is now accepting entries for its annual visa lottery, which has brought more than 500,000 immigrants into the country since 1995. But the lottery faces an uncertain future. Both the U.S.

VOA常速英语2007年-Venezuela's Baduel Upbeat About Political Futur

By Sean Maroney Washington 21 December 2007 Earlier this month, Venezuelan voters rejected President Hugo Chavez's sweeping constitutional reform plan. His former defense minister, General Raul Baduel, was among the opponents of the plan, and he tell

VOA常速英语2008年-US Lawmakers Demand Assurances on Future Iraq A

By Dan Robinson Washington 05 March 2008 U.S. lawmakers have again pressed Bush administration officials for details of negotiations that will lay the groundwork for future U.S. commitments to Iraq. VOA's Dan Robinson reports from Capitol Hill, where