Sentences with phrase «ageing stars which»

The astronomers discovered the four stars while searching the Galaxy for so - called blue horizontal - branch stars — ageing stars which are often found in globular clusters.

Not exact matches

And to hundreds of millions the most radiant day of all the bright and dark days in the story of mankind is that which saw his birth — no wonder an earlier and more imaginative age made it a day of weird unearthly beauty, when a strange star hung low above the city of David and a multitude of angels broke with sudden glory the silence of the dawn.

Gliese 581 is a red dwarf star, which means its expected lifetime is far longer than our Sun's: it could well last hundreds of billions of years, which is much longer than the present age of the universe.

In Halasian argot, people of all ages really do hail from all walks of life; America, a football hotbed, is that part of God's green earth which stretches from coast to coast; one's heart goes out to the less fortunate; athletics formulate character, as they have produced the stars of yesteryear, and have also given us the stars of today (the Bears themselves are coming of age under Finks, who is as sharp as a tack).

At age 25 and on his third team, Oladipo jumped from role player to star, which no one expected.

He's now signed through his age - 38 season, which gives the star goalie a good chance of lasting his entire career in Montreal.

She was part of an American team full of injured and aging stars in need of a new and transcendent face on which to project its future.

The rumour is Villa want Stephen Ireland in exchange, as well as large pot of gold, but there's a disturbing pattern forming here and if Villa do give in to City's pursuit of Milner, as well as the players own demands to leave the club, then it sets a terrifying precedent for the remaining stars at Villa Park that anyone and everyone is free to leave if they moan enough and a club offers an insanely good amount of cash, which in this day and age is not rare.

City Councilwoman Maragaret Chin also stepped into the dispute, sending her own letter Thursday expressing «extreme disappointment» that about the stalemate, the impact of which she said «has been felt most painfully in Chinatown, where Knicks rising - star Jeremy Lin has galvanized Asian Americans of all ages.»

At age 26 Samuel Inkoom has over 48 caps for the Black Stars, a remarkable feet which belittles his age.

The event was the first direct sighting of a smashup of neutron stars, which are formed when aging stars explode and leave behind a neutron - rich remnant.

So one team of astronomers used data from the Gaia space observatory to simulate the interiors of solar - type stars, which are similar in mass and age to our own sun.

Austad welcomed him into the seminar, which entailed reading and discussing scientific papers on major topics in biogerontology, such as calorie restriction and diseases that mimic aging, and Muller became the class star.

Planetary nebulae, which got their name after being misidentified by early astronomers, are formed when an ageing star weighing up to eight times the mass of the sun ejects its outer layers as clouds of luminous gas (see Why stars go out in a blaze of glory).

A second technique called asteroseismology — the measurement of tiny oscillations in the star's brightness — revealed Kepler 444's size, mass and impressive age, which researchers say provides billions of more years for ancient extraterrestrial life to have taken hold somewhere out there.

The astronomers looked carefully at the possibility that instead of indicating different ages, the different brightnesses and colours of some of the stars were due to hidden companion stars, which would make the stars appear brighter and redder than they really were.

At that time, the sun likely resembled Iota Horologii, because the star is young: it's thought to have escaped from the Hyades star cluster, which is just 600 million years old, or about one - eighth our sun's present age.

And deep within the heart of just about all of these stellar clusters are strange populations of stars called blue stragglers, which appear much younger than their companions, even though they should all be the same age.

NEWSPAPER obituaries of Subrahmanyan Chandrasekhar, who died last month aged 84, all highlighted the single achievement for which he will be best remembered — his work on white dwarf stars.

Because distance measurements are used to calculate the brightness — and hence age — of stars, the new data indicate that Orion's stars are older than previously thought, which makes them consistent with current theory about stellar evolution, Bower notes.

Previous observations looked at brighter, aging red giant stars, which are not as plentiful because they represent a brief episode in a star's lifetime.

The second category, which provides about $ 70,000 for so - called «rising stars,» is intended to attract younger faculty to aging departments.

The galaxies, which are forming stars very rapidly, are big for their age, meaning that astronomers might have to rethink current ideas about galaxy formation.

The clues come from the chemical composition of our sun, which differs from that of nearby stars of about the same age.

Since then, however, estimates of Vega's age have increased, because astronomers learned that the star spins fast — once every 17 hours — which stirs up the star's interior and forces the surface composition to match the overall composition of the star.

Earth orbits a middle - age star called the sun, which is about 4.5 billion years old and is expected to put out a consistent amount of energy for several billion years more.

Ultimately the team hopes to trace GRO J1655 - 40's path back to its origin, which would reveal its age and shed light on the properties of the progenitor star.

The planet, which is 1.25 times as massive as Jupiter, lies 2300 light years from Earth and orbits a bloated, ageing star slightly less massive than the sun.

Because the stars of the binary system violate the relation between age and metal abundance which holds in our Galaxy, Preston believes that it came from somewhere else.

While it had been fully expected that the percentage of cluster galaxies which had stopped forming stars would increase as the Universe aged, this latest work quantifies the effect.»

A professional actor since the age of 15, Fox became a household name in the early 1980's for his Emmy and Golden Globe Awards winning role as Alex P. Keaton in the NBC comedy series Family Ties in which he starred as the young Republican son of hippie parents.

The new estimates of the star cluster average ages were made possible using data obtained from the SAGES Legacy Unifying Globulars and GalaxieS (SLUGGS) survey, which was carried out on Keck Observatory's 10 - meter, Keck II telescope.

Kapteyn's star is the prototype member of one of these groups... The origin of Kapteyn's star within a merging dwarf - galaxy sets its most likely age around the young halo's one (> 10 billion years) and should not be older than 13.7 billion years, which is the current estimate of the age of the Universe.»

By contrast, stars having a fraction of the mass of the Sun seem able to endure for trillions of years, which is much greater than the current age of the universe.

The findings, published Monday in the journal Nature, allow scientists to accurately calculate the age of these stars, which have been observed to support the vast majority of Earth - like planets.

However, because the spin of a star is measured using the movement of dark starspots, which are smaller and fewer in number in older stars, it makes determining the age of these stars extremely difficult.

The inferred masses of the companions (~ 10 - 100 Mjup) are highly sensitive to the ages of the primary stars so we criticall... ▽ More We present optical and near - infrared adaptive optics (AO) imaging and spectroscopy of 13 ultracool (> M6) companions to late - type stars (K7 - M 4.5), most of which have recently been identified as candidate members of nearby young moving groups (YMGs; 8 - 120 Myr) in the literature.

An international team of astronomers has discovered that a young galaxy had a central disk of gas in which hundreds of new stars were being born every year — at a time when the Universe was only a fraction of its current age.

This method uses measurements of the rotation rate of the neutron star and the tiny amount by which that rotation slows over time to arrive at an estimate called the pulsar's «characteristic age.»

As most stars age, magnetic winds slow them down, which also acts to reduce the fields.

In 2010, a new study (which included better model atmosphere fitting) argued that the system is around six billion years old, even older than estimates of 3.7 to 4.3 billion years derived from a 2009 study based on mass and evolutionary models for the two brown dwarf companions Ba and Bb (Liu et al, 2010; and King et al, 2009), which are much older than an earlier age estimate of between 0.8 and 2.0 billion years based on the star's rotational speed (press release; Scholz et al, 2003; and Lachaume et al, 1999).

Because the star is so far away and its light takes nine billion years to reach Earth, the star looks as it did when the universe was less than a third of its current age which is much earlier than ever before.

Then, the team behind the new paper compared those ages with the size of the supermassive black hole at the center of the galaxies those stars live in, which other scientists had previously calculated.

For years, astronomers have estimated the age of a pulsar by measuring the rotation period of its neutron star and the tiny amount by which that rotation slows down over time.

It orbits an aged, spectral type G star (KIC 11904151) of 0.895 Solar - mass and 1.06 Solar - diameter with around 1.00 Solar luminosity, which is estimated to be at least 7.4 billion years old.

When coming to age, these massive stars explode in a most violent detonation which flashes up at a luminosity of up to 10 billion times that of the sun, called supernova (of type II, or Ib or Ic), and ejecting the very greatest part of the stellar matter in a violently expanding shell.

Aging Stars and Dust Winds of charged gas and particles from aging, cooler stars are the «starstuff» from which Earth and we were foAging Stars and Dust Winds of charged gas and particles from aging, cooler stars are the «starstuff» from which Earth and we were foStars and Dust Winds of charged gas and particles from aging, cooler stars are the «starstuff» from which Earth and we were foaging, cooler stars are the «starstuff» from which Earth and we were fostars are the «starstuff» from which Earth and we were formed.

I'd previously regarded apps of this ilk as social media - age video games for selfie - obsessed teenagers who like to see themselves with puppy ears, Disney - princess eyes and surrounded by a halo of twinkling stars — which is great (live it up, I say!)

Unless you really are an aging rock star, in which case you may wear anything you like, then leave the T - shirt at home.

Torrente has a few things working against it, the least of which is the fat, balding, middle - aged, ass that is the star of the game.