标签:Astronomer 相关文章
Beginning with the earliest pioneers, Americans have always highly valued their freedoms, and fought hard to protect them. And yet, the author points out that there is a basic freedom which Americans are in danger of losing. What is this endangered
The Birth of a Starby Chris Rose June 5th 2006 Henry looks carefully into the telescope which lets him see far, far away, as far away as the distant nebulae on the far edges of the Milky Way. Henry is an astronomer. He looks at the sky, and at stars
Violent squalls assaulted us during the daytime. 在这些日子里,猛烈的冰屑时常来袭击我们。 Thanks to certain heavy mists, we couldn't see from one end of the platform to the other. 由于有浓厚的云雾,乎台的这一端到那一
PEOPLE IN AMERICA - Percival Lowell's Work Led to the Discovery of the Planet Pluto By Mario Ritter Broadcast: Sunday, December 11, 2005 (THEME) VOICE ONE: I'm Mary Tillotson. VOICE TWO: And I'm Bob D
Californians React to Supreme Court Immigration Ruling The court ruled that three parts of SB 1070, the Arizona law aimed at illegal aliens, were infringements by the state on federal authority over immigration. But it kept in place a controversial p
Mother of Hubble Always Aimed for Stars Back in the 1950s few women in the United States worked outside of the home, and even fewer earned doctorate degrees or went on to have professional careers. However, as the first chief of astronomy at the U.S.
Astronomer's Hometown Celebrates Pluto Fly-by 天文学家家乡庆祝冥王星飞行器 STREATOR, ILLINOIS Astronomer Clyde Tombaugh, born in rural Illinois in 1906, discovered what became the ninth planet in our solar system Pluto. Today, NASAs New
Earth's 'Bigger, Older Cousin' Maybe Doesn't Even Exist AUDIE CORNISH, HOST: Ever since astronomers started to detect planets beyond our solar system, they've been trying to find another world just like Earth. A few years ago, they announced that the
Out Of This World: How Artists Imagine Planets Yet Unseen play pause stop mute unmute max volume 00:0004:30repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin
I would like to visit Jupiter one day,I think it would be a good place to take a vacation, but not on July of 1994. That would have been a terrible time. In July, 1994, the fragmented comet Shoemaker-Levy 9 that David helped / discover began its fa
The evidence suggested that billions of tons of matter from a massive star had shrunk to nothing.So what we are left with here is this mind-boggling idea of mass contained in zero volume, and that just make your head spin, but that's what we call a b
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
And takes dedication perseverance and a love of the thrill of the chase, not just any kind of astronomer but a supernovae hunter, and one with perfect timing.You know usually nothing much happens in astronomy, stars live for millions or billions of y
Bloating in old age to become red giants;their cores contracting into white dwarves; The most massive ones exploding as supernovae; Fleeing the elements they have created, out into space to form the materials for the next generation of stars. But tha
Could these be the neutron stars predicted by Z? astronomers nicknamed them pulsars and immediately set their telescopes searching for further clues about them, just a year later, they found one, in the perfect place to put Z's theory to the test.In
THIS IS AMERICA - Naval Observatory in Washington By Jill Moss Broadcast: September 23, 2002 VOICE ONE: The United States Naval Observatory performs an important scientific duty for the United States,
Scientists Renew Effort Looking for Intelligent Alien Life 科学家们重新努力寻找外星智慧生命 After the 1982 megahit E.T. the Extraterrestrial, the search for alien intelligent life was much in focus. And although no evidence has yet be
The rule is what goes up must come down, but the trouble is nobody knows exactly where the six-ton NASA satellite will crash land. This white blob is the UARS probe as it spins out of control during its descent, the footage was taken by an astronomer
Some Habitable Zone Exoplanets May Get X-Rayed Out X射线可能照射到一些可居住外行星区域 As astronomers hunt for habitable, Earth-like worlds, one popular place to look is around M stars, a type of red dwarf. Couple reasons for that: 当
For decades we've been sending signals into space and listening out for out of this world broadcasts. But what's the plan if signs of intelligent alien life are detected? Those likely to be at the receiving end of a cosmic signal are the scientists a