Sentences with phrase «of the red giant star»

«In many of these systems, the gravitational attraction can cause the companion to actually spiral into the core of the red giant star.

A planetary nebula is the detached outer atmosphere of a red giant star, which is one of the final stages in a medium - sized star's lifecycle.

This research was presented in a paper, «Unexpectedly large mass loss during the thermal pulse cycle of the red giant star R Sculptoris», by Maercker et al. to appear in the journal Nature.

It suggests that G2 could have been produced by the disruption of a red giant star, and its gas envelope is still feeding the black hole today.

It appears to consist of a pair of red giant stars, one of which has been stripped down to a relatively small core and surrounded by an extremely large disc of material that produces the extended eclipse.

Enormous granules, otherwise known as convection cells, imaged on the surface of the red giant star π1 Gruis (Credit: ESO)

Her degree is in Observational Astrophysics specializing in chemical composition of red giant stars in the Milky Way galaxy and some local dwarf galaxies.

Not exact matches

Ya'll are all like, «heat death» and «red giant / main sequence stars» and «99 % of species go extinct» So it is not my speculation, it's totes yours.

Astronomy is beginning to detect and classify a life of the stars, red, blue and white, giant, middle - sized and dwarf; each type, in its dimensions, particular radiations and brilliance, being subject to a given evolutionary cycle.

In the matter of surface - temperature, if the Sun and the majority of stars are round about 6,000 ˚ Centigrade (three times the temperature of an electric arc) there are some of 11,000 ˚ (Sirius) and even of 23,000 ˚; and on the other hand there are some as low as 3,500 ˚ (the red giants).

It will follow the evolution of similar stars, eventually running out of hydrogen fuel, at which point it will shift to burning helium at a much higher temperature, and will eventually, 5 billion years from now, gradually become a red giant with a diameter greater than the Earth's present orbit.

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The Arturo Vidal to Manchester United saga rumbles on, it would seem, with the Daily Star reporting that the Red Devils are ready to reignite their interest in the Chilean international midfielder come January by offering playmaker Juan Mata to the Turin giants in a part exchange deal, after the Spaniard was linked with a move to the Old Lady as the burning embers of the summer transfer window were extinguished.

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A report in the Daily Star claims that the Reds were once linked with his signature when he was on the books of Spanish giants Atletico Madrid, but he opted to make the move to Italy instead.

The English giants have announced the signing of Marko Grujic for # 5.1 million from the Serbian side, Red Star Beograd.

Today, Don Balon have reported that the Catalan giants are prepared to offer two midfielders in the form of Denis Suarez (23) and Rafinha (24) to secure the signing of the former Inter Milan star, for whom the Reds are demanding a fee of 150 million euros.

Manchester United completed the signing of Victor Lindelof from Benfica not so long ago and now reports are suggesting that the Red Devils are looking to sign another star from the Portuguese giants in the form of Nelson Semedo.

Ms. James, who often presides over Council meetings seated in a red and white upholstered chair marked with a giant star, has also used the public advocate's office to introduce 48 pieces of legislation, 10 of which are now law.

Some of the stars still shine with a hot bluish colour, but many of the more massive ones have become red giants and glow with a rich orange hue.

Born in red giant stars or supernovas, they drift through the galaxy and eventually mingle with interstellar clouds of gas and dust, the places where new stars and planets arise.

This is because pockets of gas rich in heavy elements would be created if a comet in the outer regions of a solar system got vaporised by a dying star in its red giant phase or by the expanding planetary nebula that follows it (arxiv.org/abs/1001.4513).

When a star runs out of hydrogen fuel in its core, it expands into a bloated red giant.

A thin shell of hydrogen continues to burn, heating the star's atmosphere and causing it to expand into a so - called red giant, whose radius can be 1000 times larger than the original star's.

The other star is an expanding red giant, with a bloated outer shell of hydrogen that gets whisked away by the strong gravitational pull of its partner.

Pulsars, according to conventional theory, are neutron stars with immense magnetic fields — about a trillion times the strength of Earth's — that funnel hydrogen pulled from their red - giant neighbor continuously down onto their magnetic poles.

Five of the stars seem to be relatively early in their life cycles — a little older than regular sunlike stars but a little younger than red giants.

Finding lithium - enriched red giants «is not expected from standard models of low - mass star evolution, which is usually regarded as a relatively well - established field in astrophysics,» says astronomer Wako Aoki of the National Astronomical Observatory of Japan in Tokyo.

Further complicating the picture is the possibility that the five youngish stars could be red giants after all, thanks to uncertainties in the measurements of their sizes, says astronomer Evan Kirby of Caltech.

A team led by astronomer Steven Majewski of the University of Virginia in Charlottesville sorted through a half - billion objects in the 2MASS catalog to find several thousand M giants, a distinctive class of red - giant star common in the Sagittarius dwarf but rarely seen above or below the plane of our galaxy.

Frebel used the Clay Magellan Telescope in the Chilean Andes to search the halo of the Milky Way — its outer reaches, where old stars lurk — and turned up a bright red giant about eight - tenths the mass of our sun, dubbed HE 1523 - 0901, that appeared to meet all the requirements.

Boss has recently proposed a similar effect to explain the discovery of two gas giants and two so - called super-Earths, or big rocky planets, each orbiting a small red dwarf star.

«Five billion years from now, the Sun will have grown into a red giant star, more than a hundred times larger than its current size,» says Professor Leen Decin from the KU Leuven Institute of Astronomy.

The oceans of super-Earths would persist for at least 10 billion years (unless boiled away by an evolving red giant star).

Using data involving the temperature and brightness of the stars collected by the Hubble Space Telescope, they observed 44 blue stragglers among the cluster's many thousands of red - giant and white - dwarf stars.

This star, a type known as a red giant, has five times the mass of our Sun but it is in a much more advanced stage of its life, despite its comparatively young age of around 50 million years [1].

The astronomers studying it say Mira was once an ordinary star before ballooning into a red giant 400 times the diameter of the sun.

Red giants are formed from stars that are aging and approaching the final stages of their evolution.

«Red giant star gives a surprising glimpse of the sun's future.»

Aging red giant stars coexist with their more plentiful younger cousins, the smaller, white, Sun - like stars, in this crowded region of our galaxy's ancient central hub, or bulge.

When they reach the red giant stage, these elements are released into space, ready to be used in subsequent generations of new stars.

Between now and then, humans will face plenty of other calamities: wars and pestilences, ice ages, asteroid impacts, and the eventual consumption of Earth — in about 5 billion years — as our sun expands into a red giant star.

Those time spans coincide with known stellar behavior: once a year, for example, a red giant pulsates in brightness, an event astronomers think is linked to an episodic shedding of gas; likewise, every 5,000 years the helium in an outer layer of the star ignites and burns up in a flash, and the star undergoes a brief burst of expansion.

«Red and dead» is the unflattering label astronomers attach to giant elliptical galaxies full of aged stars.

A red dwarf star and a loner giant planet share the same patch of sky, but no one had linked the two.

Red giants are dying stars in the late stages of life that are exhausting the nuclear fuel that makes them shine.

Since 2004, they've looked at a set of about a thousand stars, mostly red giants.

The star is a bloated red giant, residing 1,200 light - years away, which has probably shed at least half of its mass into space during its death throes.

This is the fate of all stars with masses between about one and eight times that of the Sun (see «The death throes of a red giant», New Scientist, 24 March 1990).

The stars may be passing through a stage of stellar evolution that lasts no more than a few tens of thousands of years, the scientists say — a phase between red giants (about 30 or 40 times the size of our sun) and blue subdwarfs (stars about one - fifth the size of our sun but seven times hotter and 70 times brighter).