标签：Astronomers 相关文章
Right after breakfast the next morning, the Aldens marched up the mountain to the observatory. I think we should take another look at that log, said Jessie. There was something odd about the way Eugene Scott made Mark leave. Mark said it was his turn
59 The Outer Space Mystery
ANNOUNCER: EXPLORATIONS -- a program in Special English by the Voice of America. (MUSIC) Today, Richard Rael and Tony Riggs tell the story of American astronomer Edwin Hubble. He changed our ideas about the universe and how it developed. Edwin Hubbl
VOA慢速英语2009年（四）月
1. A federal judge seems reluctant to investigate the destruction of CIA interrogation videotapes, while the Justice Department is looking into the matter. The Administration wants the court to back off, while others say it may be the only place for
美联社新闻一分钟2007
Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy wit
国家地理2008年
Jessie grabbed Bennys hand and ran toward the dormitory. Lightning flashed all around them. The claps of thunder were deafening. Everyone scurried for shelter. Jessie and Benny raced inside the Seneca Building, just ahead of Violet and Henry. Mark Ja
59 The Outer Space Mystery
Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the
60秒科学
EXPLORATIONS -May 8, 2002: Hubble's New Camera By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Last week, the
Explorations
Global Warming Could Delay Next Ice Age The next ice age could be delayed by tens of thousands of years due to excessive amounts of heat-trapping carbon dioxide in the atmosphere, which disrupts Earths natural cycle of warming and cooling, according
VOA标准英语2012年(一月)
Time again for our Website of the Week, when we showcase interesting and innovative online destinations. If you've ever been to a planetarium, you know what it's like to look at stars and planets while an expert guide explains what you're looking at.
VOA标准英语2010年(四)月
NASA: Humans Could Visit Asteroid in 2021 These chunks of ancient space rocks hold clues about the formation of the universe, pose threats to our planet, and present new territory for explorers. NASA's proposed asteroid mission is a logical next leap
VOA标准英语2013年(六月)
Astronomers have detected the brightest explosion ever witnessed in the heavens. It was a flash of light from across our galaxy so powerful that it bounced off the Moon and illuminated Earth's upper atmosphere. The researchers say if the blast had oc
VOA双语新闻 Bilingual News
You Live In a Strange Solar System The more astronomers study the heavens, the more they realize: our solar system is weird.There are a few things that make the solar system kind of strange.Lauren Weiss, an astrophysicist at the University of Montrea
2018年科学美国人1月
The longest total solar eclipse of the 21st century put most of Asia, from India to China, into darkness on Wednesday, as millions gathered to watch this once-in-a-lifetime phenomenon. The eclipse began at about midnight Greenwich Mean Time and was f
自然百科2009年
Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy with
自然百科2008年
Early humans hunted animals and gathered wild plants. They moved in groups or tribes from place to place in search of food. Then, people learned to plant seeds and grow crops. They learned to use animals to help them work, and for food. They found th
英语时差8，16
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
探索与发现2013年
Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b
探索与发现2014年
Once the fusion stops, the whole thing collapses under its own weight to form a white dwarf, so you got this very small blob which is incredibly dense, it's going to be something like a million times denser than it started off, so dense in fact that
探索与发现2015年
It's clear that it will come very close to the black hole, might even hit the black hole. So maybe we actually are feeding the black hole here. Now exactly how much and how fast of all these is completely unknown and that's the excitement about it be
探索与发现2013年
We now know this light is produced by the rotating disk of matter, spinning round the edge of the black hole at the heart of the Cygnus A galaxy, waiting to be devoured. It means that against all popular expectations, the brightest sources of light i
探索与发现2013年