Sentences with phrase «nearby galaxies for»

A Carnegie - based search of nearby galaxies for their oldest stars has uncovered two stars in the Sculptor dwarf galaxy that were born shortly after the galaxy formed, approximately 13 billion years ago.

Unlike most supernovae surveys, which look for bright bursts of light, Kochanek would monitor about 30 nearby galaxies for curious patches of darkness where a star had suddenly disappeared.

Not exact matches

A Giant Galactic Ghost Intrigued by faint blurs on old photographic plates of the Virgo galaxy cluster, a nearby region teeming with galaxies, Oregon's Bothun and colleagues wondered if the apparitions might be smallish galaxies with «low surface brightness» — astronomer - speak for emitting less light per unit area than typical galaxies.

Gas at the centre of galaxy clusters should be cooling as it loses energy; this would allow nearby material to compress the gas and create ideal conditions for making stars.

Now, Hubble has done just that for two globular clusters: M15, in our Milky Way, and G1, in the nearby Andromeda galaxy.

«It's the first clear experimental indication that the sources of these high - energy particles are located outside of our own galaxy, probably somewhere in the nearby universe,» says Karl - Heinz Kampert of the University of Wuppertal in Germany, a spokesperson for the Pierre Auger Collaboration, which made the discovery.

In the early 2000s, when looking for other objects in a nearby galaxy, he and his colleagues captured an image filled with the echoing light of three known supernovas.

A search for nearby dwarf galaxies that should show the same signal have proved fruitless, leaving physicists disappointed after five years of excitement.

But in the case of the Thirty Meter Telescope (TMT), an instrument that promises unprecedented images of everything from the most distant galaxies to nearby exoplanets, builders may have to settle for second best.

Lauer and his colleagues began their survey of galaxy clusters in order to find the «great attractor», a concentrated mass supposedly responsible for the net motion of nearby galaxies.

He decided to point Hubble's Wide Field Camera 3, an addition made to the scope in 2009, at four nearby aging galaxies to hunt for the telltale ultraviolet glow of young stars.

Tidal stripping proves to be a viable origin for compact elliptical galaxies, even where no massive companions remain nearby.

This provides an independent test for astronomers» usual methods of estimating distant galaxy masses — which rely on extrapolation from their nearby cousins.

The team figured out what a telescope would see when a star hit the hard surface of a supermassive object at the center of a nearby galaxy: The star's gas would envelope the object, shining for months, perhaps even years.

First, a team led by astronomer Jon Miller of the Harvard - Smithsonian Center for Astrophysics (CfA) in Cambridge, Massachusetts, used the European Space Agency's XMM - Newton satellite to study two bright x-ray sources in the nearby galaxy NGC 1313.

A highly detailed survey of the nearby Andromeda Galaxy, which as a nearby spiral galaxy is something of an observational proxy for our own Milky Way, shows the remnants of smaller galaxies that our neighbor appears to have cannibalized.

For instance, in the crowded heart of a galaxy, black holes may have more opportunities to pair up with nearby stars — and then slurp material from them, generating x rays in the process — than they do in sparser regions of the star group.

Once every 69 years, a nearby star dramatically dims for about three and a half years during the longest known stellar eclipse in our galaxy.

Our fellow detectives use information about its location to look for a GRB's galactic accomplice amongst the line - up of nearby galaxies.

By comparing the results of those simulations with observations of heavy elements in nearby galaxies, the researchers hope to determine whether primordial black holes are indeed responsible for Earth's gold, platinum and uranium.

«We needed both the nearby Cepheid distances for galaxies hosting Type Ia supernovae and the distances to the 300 more - distant Type Ia supernovae to determine the Hubble constant,» Filippenko said.

This image, which is part of the DEGAS study of dense gas in nearby galaxies, shows the power of the GBT for observations of extended objects beyond our Galaxy.

Breakthrough Listen, which is engaged in an ambitious mission to search one million nearby stars, and 100 galaxies for evidence of technologically advanced alien species, has tasked the Robert C. Byrd Green Bank Telescope, located in West Virginia, with collecting data on the asteroid across four radio bands, from 1 — 12 GHz, over the course of an initial 10 - hour period.

For the development and verification of a new method, it would be better to select a nearby galaxy which can be spatially resolved and examined in detail compared to a distant galaxy whose properties are largely unknown.

The New Worlds Technology Development Program, which lays the scientific groundwork for a future mission to study nearby Earth - like planets, and the Cerro Chajnantor Atacama Telescope, which would provide short - wavelength radio surveys to study dusty material associated with galaxies and stars, are ranked the highest priority for midsize space - and ground - based programs, respectively.

Overall, the committee found that «to optimize the science return for the decade 2012 - 2021 within the anticipated resources, [the United States should] focus on three science objectives» — searching for the first stars, galaxies and black holes; seeking nearby, habitable planets; and understanding scientific principles — «while also considering the discovery potential of a much broader research program.»

On the other hand, several similarities were discovered with the chemical composition observed for stars in nearby massive dwarf galaxies, such as Sagittarius and the Large Magellanic Cloud.

In faint, distant galaxies, the task is dramatically more difficult, but COSMOS - 1908 was one case for which Sanders was able to apply the «robust» method commonly applied to nearby galaxies.

On that «super» day, the All Sky Automated Survey for SuperNovae (ASASSN) reported a supernova in the same nearby galaxy Kepler was monitoring.

In 2004, astronomers found evidence for a clumpy stream of hydrogen gas linking the Triangulum galaxy with the nearby Andromeda galaxy.

Re 51 Tom P — watched the video; and I agree that the sun does wobble around the center of mass of the solar system; the center of mass itself is not tending to wobble around the sun because conservation of momentum applies to the solar system as a whole (except of course for the forces applied to it by nearby stars, the rest of the galaxy, etc, but those are not varying so fast and so the center of mass should generally be moving along rather smoothly on the same timescale as planetary motions).

GCRs are modulated by both solar magnetic field, which is largely unpredictable in strength except for generalities associated with 11 - year sunspot cycle and is also modulated by unpredictable events like nearby supernovas, and by more predictable very very long slow changes in intensity due to the solar system traversing spiral arms of our galaxy and wandering above and below the galactic plane in cycles lasting tens and hundreds of millions of years.