Sentences with phrase «other white dwarf»

«Our final image should show us a companion 100 times fainter than any other white dwarf orbiting a neutron star and about 10 times fainter than any known white dwarf, but we don't see a thing,» team member Bart Dunlap, a graduate student from the University of North Carolina at Chapel Hill, said in a statement.

A 21 - year study of a pair of ancient stars — one a pulsar and the other a white dwarf — helps astronomers understand how gravity works across the cosmos.

If other white dwarfs turn out to be similar, the results will send theorists who study stellar evolution back to the drawing board, he says.

Not exact matches

Others, the «white dwarfs», are smaller than the earth; and still others, the most numerous category, closely resemble the sun both in their dimensions and their yellow cOthers, the «white dwarfs», are smaller than the earth; and still others, the most numerous category, closely resemble the sun both in their dimensions and their yellow cothers, the most numerous category, closely resemble the sun both in their dimensions and their yellow colour.

Beans — All types of beans, including black, kidney, lima, mung, navy, red, pea, green, broad, white, wax, fava, English, chili, cranberry, pinto, cannellini, dwarf, runner, and any other type or style of bean.

The small red circles denote other objects that emit X-rays, like neutron stars or white dwarfs, that are found scattered around more of the galaxy.

• How might the burned - out stars called white dwarfs be brought to ruin by other stars in so - called Type Ia supernovae, inciting the fiery alchemy that yielded much of the iron in our blood and the potassium in our brains?

The Hubble Space Telescope's recent discovery of the earliest known Type Ia supernova from more than 10 billion years ago, plus other results, favor a scenario in which two white dwarfs merge.

But it turns out white dwarfs can breach that tipping point in another situation: Instead of a giant star losing material to a white dwarf, two white dwarfs orbiting each other could slam together and explode.

Named PH1, the planet goes around two of the four stars, shown close - up here: One is a yellow - white F - type star that is slightly warmer and more luminous than our sun; the other, at the 11 o'clock position, is a red dwarf, cooler and dimmer than the sun.

In strong fields such as those present in the atmospheres of white dwarfs (on the order of 105 teslas) and other stellar objects, our calculations suggest that this mechanism underlies the strong bonding of H2 in the Σ3u + (1σg1σu *) triplet state and of He2 in the Σ1g + (1σg21σu * 2) singlet state, as well as their preferred perpendicular orientation in the external field.

Two white dwarf stars orbiting each other will collide in 900,000 years, possibly annihilating both.

There are many white dwarfs that hold large amounts of hydrogen in their atmospheres, and this new study suggests that this is evidence that water - rich asteroids or comets are common around other stars than the Sun.»

In the other, the blast arises when two white dwarfs in a binary system eventually spiral inward and collide.

Other Sloan researchers have identified a new class of white dwarfs, the cores left over after sun - size stars die, and have sighted elusive brown dwarfs, objects too big to be planets but not quite massive enough to ignite fusion reactions and become stars.

PSR J1713 +0747, as it is known, has a tiny white dwarf companion star, and the two orbit each other exceptionally predictably.

Professor Mould and his PhD student Syed Uddin at the Swinburne Centre for Astrophysics and Supercomputing and the ARC Centre of Excellence for All - sky Astrophysics (CAASTRO) assumed that these supernova explosions happen when a white dwarf reaches a critical mass or after colliding with other stars to «tip it over the edge».

Due to their mutual gravity, the millisecond pulsar and white dwarf enter into a perfectly round orbit around each other.

Assuming that dark matter particles are fairly heavy and can interact with each other in some way, they could increase the white dwarf's density enough to make it explode.

Dark matter isn't the only possible culprit: primordial black holes could occasionally hit lone white dwarfs, or white dwarfs could collide with each other.

Both occur in systems where two stars orbit each other: a white dwarf sucks away the outer layers of a larger companion star until the smaller star reaches a critical mass, causing an explosion.

One is probably a red giant that is still blowing off its atmosphere; the other is most likely a white dwarf stealing gas from its giant companion and lighting up the surrounding nebula.

Currently, the white dwarfs orbit each other once every 4 hours, but their orbit is shrinking, and in about 700 million years, the two white dwarfs will see a cataclysmic crash, scientists said.

When the sun and other smaller stars shrinks back down to a white dwarf, the life - giving light will dissipate.

The sun will eventually lose most of its mass as it becomes a white dwarf, and could come to resemble other burnt - out star systems spotted by NASA's Spitzer Space Telescope in a 2009 study.

With JWST, a few hours of integration time will be enough to detect Earth - like levels of water vapor, molecular oxygen, carbon dioxide and other generic biosignatures on planets orbiting a white dwarf; beyond that, observing the same planet for up to 1.7 days will be enough to detect the two CFCs in concentrations of 750 parts per trillion, or 10 times greater than on Earth.

Other «dwarf» stars that are not main sequence stars include white dwarfs and brown dwarfs.

Other evidence for white dwarfs shredding asteroids comes from observations of the elements in white dwarfs.

But the Spitzer data for the white dwarf PG 0010 +280 did not fit well with models for asteroid disks, leading the team to look at other possibilities.

The team next plans to increase their sample of white dwarfs by analyzing other portions of the SWEEPS field.

They are so called because one of the pair of stellar companions is a normal star and the other a compact object — a white dwarf, neutron star, or possibly a black hole.

However, in rare instances, two of these objects orbit each other so closely ---- orbiting every few minutes ---- so that the helium from the lighter of the two gets pulled off by tidal forces and accumulates on the more massive white dwarf.

At other times, the white dwarf may pull just enough material from its companion to briefly ignite in a nova, a far smaller explosion.

A different set of spectral peculiarity symbols are used for white dwarfs than for other types of stars:

The letters are not related to the letters used in the classification of other stars, but instead indicate the composition of the white dwarf's visible outer layer or atmosphere.

The sequence has been expanded with classes for other stars and star - like objects that do not fit in the classical system, such as class D for white dwarfs and classes S and C for carbon stars.

While some of these supernovae happen when a white dwarf robs its companion of too much matter, others are the result of two white dwarfs merging.

White dwarfs stars are not classified because their stellar spectra are different from most other stars.

There are also several featurettes including a tour of the massive sets, a look at the story as a whole and how it compares to other versions, a brief piece about the fairy tale aspects that were brought in from different sources, and character features on Snow White, the Huntsman, the Evil Queen and the Dwarves.

The Snow White story has been told by other filmmakers including: Disney's Snow White and the Seven Dwarfs, Enchanted, Sydney White and Mirror Mirror.

During one of the endless action sequences straight out of «World of Warcraft», involving the dwarves fighting the creepy white guys, who fight the gold elphin soldiers, who fight the other mythical creatures, etc. etc. etc., I thought «If I'm going to get through these I at least have to try and enjoy them».

The trailers are slower and less rushed than typical US previews, and they remind me of some of the longer spots created in Walt's day for releases of Snow White and the Seven Dwarfs, Pinocchio, and others.

Other DVDs with «Disneyland» Content Walt Disney Treasures: Davy Crockett - The Complete Televised Series Walt Disney Treasures: Elfego Baca • The Swamp Fox: Legendary Heroes Alice in Wonderland (Masterpiece Edition) • 20,000 Leagues Under the Sea (Special Edition) The Parent Trap (2 - Movie Collection) • Snow White and the Seven Dwarfs (Platinum Edition) The Sword in the Stone (Gold Collection) • Darby O'Gill and the Little People

Other nerdy males (who parallel Snow White's seven dwarfs) are enthralled with the idea of a girl sharing their college home with them, and spend time gazing at her bra hanging in the closet.

Other common hamster species include Roborovski dwarf hamsters (Phodopus roborovskii); Campbell's dwarf hamsters (Phodopus campbelli); Winter White dwarf hamsters (Phodopus sungorus) and Chinese hamsters (Cricetulus griseus).

One of the other dwarf hamsters, the Winter White species, also has fur on its feet and sometimes gets called furry - footed.

It occurs most often in dwarf breeds, such as the West Highland White Terrier, Cairn Terrier, Tibetan Spaniel, and the Pekingese, but can develop in other breeds as well.

I have 2 dwarf hamsters bought from the same place but a year apart they told me both were robo one has a tail the other one don't newest one has a white underneath and brown top no tail and likes to burrow under her bedding my oldest has a gray underneath brown top with a black stripe down the middle of her back and a tail that's about an inch or so long she likes to sleep a lot and out at night between 9 - 11 pm when it's dark can someone tell me the difference and what kind they are

They could be the same breed just two different breeds of mom and dad, like if a winter white hamster and a Chinese dwarf hamster had a baby it would be one breed but one could look like the mom and the other one could look like the dad, that's the only reason I can think of, sorry if its not muchh help

In addition to the more popular Campbell's hamster, three other species of dwarf hamsters are kept as pets in the United States and other countries — the Winter White, the Chinese and the Roborovski.