与 «DWARF STAR»相关的英语书籍
在以下的参考文献中发现
dwarf star的用法。与
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1
Faster Than Light Travel & How to Destroy A
Dwarf Star
(which has more mass) and a Gas Giant (which has less mass) With a Brown
Dwarf star there is enough nuclear fusion within the planetoid to create heat but
not as such enough fusion to create light, which requires more gravity. This extra
...
2
Astrophysics is Easy!: An Introduction for the Amateur ...
mass-radius relationship drops to zero, so that a white dwarf star with a mass
equal to the Chandrasekhar limit will shrink to a very small size. But no star with a
mass greater than 14M⊙ can be supported against the crush of gravity by the ...
3
Guide to the Universe: Stars and Galaxies
The white dwarf star is accreting matter from its binary partner. As the material
leaves the partner star, it accumulates in an accretion disk around the dwarf star.
Periodically, an instability occurs in the disk (or in the other star) that causes the ...
Depending on the phase of these oscillations at which the star leaves the AGB, it
can become either a DA or a DB white dwarf star. Therefore, understanding 3.5
5.0 4.5 Log Effective Temperature (K) Fig. 12. Schematic 32 Steven D. Kawaler 4:
...
S.D. Kawaler, Georges Meynet, Daniel Schaerer, 1997
5
Encyclopedia of Earth and Space Science
The term dwarf star oddly refers to stars whose size is normal for their mass,
which lie on the main sequence curve, and which are converting hydrogen to
helium by nuclear fusion in their cores. Dwarfs are also classified as any star with
a ...
Timothy M. Kusky, Katherine E. Cullen, 2010
6
Theory of Neutron
Star Magnetospheres
The mass, radius, or central density determines uniquely the other two, so one
basically has a one-parameter family of stars. A burnt-out Sun would become a
dwarf star about the size of the Earth. But for only a slightly more heavy dwarf,
about ...
7
Science of Earth Systems
An example of a red dwarf star is Barnard's star, which is approximately 5.8 light
years from Earth. A light year is the distance that light travels in 1 year. Because
light travels at about 186,000 miles per second, this extremely far distance is ...
8
Atlas of Astronomical Discoveries
Gliese 229B – a very faint brown dwarf in orbit around a young dwarf star – can
be seen on this Hubble photograph as an unsightly speck of light close to the
overexposed image of the dwarf star. (NASA/ESA/Caltech/JHU) ...
Its companion is a white dwarf star, with around the same mass, but much smaller
( about the Earth's size); its density is about a million times that of water. These
two stars orbit around one another in a few hours. Stellar tug of war What makes
...
A ' _ A ' ' ' _ ' ~v is the weight ofasingle nebulae can be seen to contarn a central
dwarf star, a mere , e ' I I e ,» concentr"; . tablespoon ofawhite ' " - ' - v~ . ' ' __ _ ' I
dwarf.Awhite dwarf is rem nant Of Its precursor Star' ' " I very massive in spite of ...
Sol 90, Encyclopaedia Britannica, Inc, 2012
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The Brittas Empire set for comeback
It featured Red Dwarf star Chris Barrie in title role as Gordon Brittas, the bumbling manager of Whitbury New Town Leisure Centre. «Broadcast, 七月 15»
A nebula with a ring to it..
... ago things got way out of hand, and in a final expansion the star blew a vast shell of gas out into space, leaving behind a tiny white dwarf star. «KRCC, 七月 15»
SNIPPETS-DNA may help track ivory poachers
The planet orbits a small red dwarf star in the constellation Leo. As the planet loses mass, the cloud of hydrogen atoms continues to grow. «Deccan Herald, 七月 15»
Red Dwarf's Craig Charles to return to I'm A Celebrity following the …
The Red Dwarf star previously appeared in last year's series but was forced to leave early after the tragic death of his brother, Dean. In the short ... «Metro, 七月 15»
The Starry Dome
The remaining core of the star becomes a white dwarf star. The white dwarf draws material from is aging companion star that has ballooned up as it becomes a ... «Desertexposure, 七月 15»
Planet with a Comet Tail
However, unlike Neptune, Gliese 436b orbits its red dwarf star in just 2.6 days, making it much warmer than our solar system's ice giant. «Sky & Telescope, 六月 15»
UV Observation Provides Rare Insight into Supernova
Gal-Yam, fits a model in which a dwarf star has a giant companion. “The white dwarf is the mass of the Sun packed into a sphere the size of the ... «Newswise, 六月 15»
Is GJ 436b A Super Comet With A Long Tail? No. But Earth Might …
... gas enveloping the planet does not evaporate too quickly with the amount of heat and radiation that its red dwarf star, which is relatively cool, ... «Tech Times, 六月 15»
Exoplanet Has a Comet-Like Tail
They call it "the Behemoth." Astronomers using NASA's Hubble Space Telescope have discovered that a red dwarf star is boiling off the ... «Sci-Tech Today, 六月 15»
Red dwarf star cooks exoplanet, leaving a 'comet-like tail' (+video)
New X-ray observations appear to show the exoplanet GJ 436b as a nearby red dwarf star burns off hydrogen from its atmosphere. «Christian Science Monitor, 六月 15»
