搜索结果: 46-56 共查到“理学 Astronomers”相关记录56条 . 查询时间(0.095 秒)
Unprecedented nova images illuminate astronomers' models for its ejecta
astronomy image fireball stage
font style='font-size:12px;'>
2014/10/30
The first images of a nova during its early fireball stage--when it ejects material, and gases expand and cool--show that this activity is more complicated than predicted.
Astronomers spot faraway Uranus-like planet（图）
planet Astronomers spot
font style='font-size:12px;'>
2014/12/1
COLUMBUS, Ohio—Our view of other solar systems just got a little more familiar, with the discovery of a planet 25,000 light-years away that resembles our own Uranus.
Astronomers discover new exoplanet in Pisces（图）
new exoplanet Pisces
font style='font-size:12px;'>
2014/3/17
The star system harboring the new planet contains only one star, as do the other three systems with extrasolar planets analyzed by Kane, an assistant professor of physics and astronomy, and his collea...
Astronomers say goodbye to the 'millicrab'（图）
Astronomers the 'millicrab' the Crab Nebula
font style='font-size:12px;'>
2011/1/21
X-ray astronomers have for decades calibrated their detectors using the Crab Nebula – a supernova remnant that appeared to have an extremely steady brightness. But now an international team of astrono...
Astronomers discover the Moon is shrinking（图）
Astronomers the Moon shrinking
font style='font-size:12px;'>
2010/9/21
Freshly discovered scars on the face of the Moon reveal that this rocky satellite is shrinking at a relatively rapid pace, say researchers based in Germany and the US. Images collected by NASA's Lunar...
In a first, astronomers detect strong winds on an exoplanet（图）
astronomers strong winds an exoplanet
font style='font-size:12px;'>
2010/9/21
Since the first exoplanet — a planet outside our solar system — was discovered in 1995, more than 460 others have been found. While astronomers have been able to measure the size, orbital characterist...
Astronomers confirm rocky nature of new exoplanet（图）
astronomers rocky nature new exoplanet
font style='font-size:12px;'>
2009/9/21
Astronomers have obtained the best evidence yet that a planet orbiting a star 400 light years away from Earth is a solid, rocky world just like our own. The extrasolar planet (or exoplanet), known as ...
The Concordia Station on the Antarctic Plateau：The Best Site on Earth for the 21st Century Astronomers
astronomical photometry infrared astronomy sub-mm astronomy Antarctic astronomy
font style='font-size:12px;'>
2009/5/12
On the Antarctic plateau, a joint project of French and Italian
polar programmes is nearing completion: the Concordia station will be open
for winter-over operation in 2005. The high altitude and hi...
Amateur astronomers help keep tabs on White Dwarf overdue for massive starquake
White Dwarf
font style='font-size:12px;'>
2007/5/23
22 May 2007，Researchers at the University of Warwick have enlisted a world wide team of amateur/semi-professional astronomers to keep watch on one of the fastest spinning white dwarf stars ever found....
European astronomers create largest-ever catalogue of gamma-ray sources in the universe（图）
gamma-ray
font style='font-size:12px;'>
2007/3/15
23 February 2007，Using data from the European Space Agency's latest orbiting gamma-ray observatory, Integral, a European team of astronomers led by Dr Antony Bird of the University of Southampton (UK)...
Astronomers Confirm Asteroid KW4 is No Threat to Earth -- at Least for a Thousand Years（图）
Asteroid KW4 dynamics
font style='font-size:12px;'>
2006/12/4
November 16, 2006，The Arecibo Observatory's powerful radar -- a keen eye aimed into the sky -- has made the most detailed observations ever of a binary near-Earth asteroid. This information provides c...