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

There's a hole in my Bucket

There's a hole in my bucket, dear Liza, dear Liza There's a hole in my bucket, dear Liza, a hole Then mend it, dear Goofy, dear Goofy, dear Goofy Then mend it, dear Goofy, dear Goofy, then mend it Wit

美国国家公共电台 NPR Trump Signs Executive Order On Offshore Drilling And Marine Sanctuaries

ARI SHAPIRO, HOST: President Trump will sign an executive order tomorrow that aims to expand offshore drilling. The order will essentially try to undo actions taken by his predecessor, Barack Obama, that restricted drilling in the Arctic Pacific and

56. This Hole in the Ground

There was once a farmer who lived near a road. It was not a busy road, but from time to time, cars passed the farm. Near the farm gate, there was a large hole in the road. This hole was always full of

高考英语作文高分必备 实践篇 039

How to repart a plaint When the plant grows too large for its original part. It needs to be reparted. This can be done quickly and easily if you follow this instructions. First, you should cut off the bottom of the part with small stones. Then put tw

VOA标准英语2008年-US President Wants More Offshore Drilling

U.S. President George Bush is again calling on opposition Democrats in Congress to expand offshore oil drilling. VOA White House Correspondent Scott Stearns reports, high energy prices are a big part of this year's presidential campaign. President G

VOA标准英语2009年-Gas Drilling Plan Raises Water Contami

Environmentalists claim the drilling could contaminate New York's unfiltered drinking water sources with dangerous chemicals and radioactivity Carolyn Weaver | New York 24 December 2009 Photo: Sabine Aronowsky Manhattan borough president Scott String

VOA标准英语2012--Alaskan Wins Environmental Prize for Opposing Offshore Drilling

Alaskan Wins Environmental Prize for Opposing Offshore Drilling Saving her village traditions means everything to community activist Caroline Cannon. This includes the annual hunt for one bowhead whale, in which villagers use wood-framed boats covere

英语听力：2013-10-11 地平线：黑洞吞噬—10

It's like trying to pick out an individual inside the middle of a busy city, with lights and cars, and things happening all around them. But that wasn't the only problem. Vast, swirling clouds of dust and gas prevent visible light from the centre of

英语听力：2013-10-09 地平线：黑洞吞噬—9

At last, astronomers had a map of our galaxy. A panorama of the Milky Way, it would never be possible to see from Planet Earth. 27,000 light-years from our solar system is the centre of our galaxy. If we were ever going to have a chance of seeing a b

英语听力：2013-11-13 地平线：黑洞吞噬—24

The X-ray image revealed how the black hole at the heart of the galaxy was firing unimaginable amounts of radiation into surrounding space and with extraordinary consequences. We could see what was going on at the centre and we could start to underst

英语听力：2013-11-08 地平线：黑洞吞噬—22

Was there any connection between the two? What Magorian discovered was completed unexpected. The relationship that we find was essentially that the bigger the galaxy, the bigger the black hole. That's in its broad terms. If you want to be a bit more

英语听力：2013-10-20 地平线：黑洞吞噬—14

Instead, it seems to be a gas cloud moving at huge speeds right in the direction of the black hole. But what really rang along bells was the way it had changed shape. We see that this gas cloud as it moves closer and closer to the black hole, is gett

ENVIRONMENT REPORT - Arctic Refuge Drilling

By Cynthia Kirk ENVIRONMENT REPORT - April 26, 2002: Arctic Refuge Drilling This is the VOA Special English ENVIRONMENT REPORT. The Democratic-controlled United States Senate has voted to block explor

电钻iPhone 7，钻出隐藏耳机孔？

Prank video destroying new Apple smartphone receives 10m views, with some seemingly tricked into making 3.5mm hole in the bottom of their devices. 这则破坏新款苹果手机的恶搞视频浏览量高达1000万，有些人甚至还真的上当，在

2006年VOA标准英语-US Congress Re-Considers Offshore Drilling for

By Mil Arcega Washington 11 July 2006 Watch Offshore Drilling report The United States House of Representatives has passed a controversial measure designed to lift a 25-year ban on oil drilling in U.S. coastal areas. As VOA's Mil Arcega reports, env

Google fixing Android WiFi security hole

BEIJING, May 19 (Xinhuanet) -- Google on Wednesday began fixing a security hole in some 97 percent of Android phones that could let hackers snatch important credentials at public WiFi hotspots. The fix, which addresses a hole allowing hackers to acce

音乐咖啡厅:Rihanna再度牵手Justin Timberlake(Hole In

音乐咖啡厅:Rihanna再度牵手Justin Timberlake(Hole In My Head) Artist：Rihanna Song：Hole In My Head [00:06.66]You got a hole in your head [00:09.79]You got a hole in your head girl [00:13.10]You got a hole in your head [00:16.19]You got a h

This Hole in the Ground

There was once a farmer who lived near a road. It was not a busy road, but from time to time, cars passed the farm. Near the farm gate, there was a large hole in the road. This hole was always full of water, and the drivers of the cars could not see

Down the Rabbit Hole　

Down the Rabbit Hole Alice and her big sister were sitting on the grass. Her sister was reading a book, but Alice had nothing to read. She looked at her sister's book again. There were no pictures in it. What good is a book without pictures? She wond