单词：regiones olfactoria
单词：regiones olfactoria 相关文章
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
超大质量黑洞
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
超大质量黑洞
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.
超大质量黑洞
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
超大质量黑洞
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
超大质量黑洞
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
超大质量黑洞
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
超大质量黑洞
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
超大质量黑洞
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
简单慢速英语阅读
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
超大质量黑洞
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
超大质量黑洞
By Noel King Khartoum 29 October 2006 Sudan on Sunday denied accusations that the Sudanese Air Force bombed towns in eastern Chad this week. Chadian officials say the airstrikes have created panic among civilians in the region and threatened unspeci
2006年VOA标准英语（十月）
By Gilbert da Costa Abuja 21 September 2006 A total of 13 senior Nigerian military officers who died in a plane crash over the weekend were given a national burial in the capital Thursday. The occasion that brought the country together. ----- Thousa
2006年VOA标准英语（九月）
By Meredith Buel Washington 27 April 2006 President Bush President Bush has issued an executive order freezing the economic assets of people connected to the continuing armed conflict in Sudan's Darfu
2006年VOA标准英语（四月）
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
Weekender
By Gilbert da Costa Abuja 07 August 2006 Hundreds of residents of Nigeria's disputed Bakassi peninsula have held an independence ceremony to highlight opposition to the government's plan to hand over the oil-rich region to Cameroon. -------- A group
2006年VOA标准英语（八月）
By Nazzy Belgari and Saman Arbabi Arabian Sea 18 May 2007 USS Nimitz The aircraft carrier USS Nimitz recently arrived in the Arabian Sea to support coalition forces fighting in Iraq and Afghanistan. As one of two U.S. carriers in the region, it is a
2007年VOA标准英语（五月）
By Peter Heinlein United Nations 13 September 2006 The chief United Nations administrator in Kosovo is warning that any delay in settling the region's status could lead to further instability. But as VOA's Peter Heinlein reports from U.N. headquarte
2006年VOA标准英语（九月）
By Cathy Majtenyi Nairobi 13 December 2006 Heads of state and other representatives from 11 African countries are gathering in Kenya's capital this week for their Great Lakes conference. The leaders are expected to sign a pact that sets out plans to
2006年VOA标准英语（十二月）
By Carol Pearson Washington, D.C. 05 July 2007 An American man who traveled internationally with tuberculosis - despite instructions not to - has a new diagnosis and is not as sick as government doctors initially said he was. As VOA's Carol Pearson
2007年VOA标准英语（七月）