Sentences with phrase «by astronomers»

This age, however, differs significantly from the age estimated by another method which has been used by astronomers for decades.

Tiny and very faint, this fast moving object (centre) was captured by astronomers as it passed through our Solar system.

Though they appear on photographic plates made by astronomers more than a century ago, they looked like ordinary stars, and raised no curiosity.

Including a tiny moon just recently spotted by astronomers.

Alien life could soon be found by astronomers, as a new lineup of tools become available to astronomers.

And because such an event takes place just once every 14 to 16 years, it will be eagerly watched by astronomers around the world.

It is this instrument that is mainly used by astronomers today.

The climax of this unique event at the centre of the galaxy is now unfolding and being closely watched by astronomers around the world.

Almost 1,000 planets outside our solar system have been identified by astronomers.

Tiny and very faint, this fast moving object (centre) was captured by astronomers as it passed through our Solar system.

This definition has been widely used by astronomers when publishing discoveries in journals since this time, although it remains a temporary, working definition until a more permanent one is formally adopted.

The same can't be said about dark energy, a truly astonishing discovery made by astronomers a decade ago while observing distant exploding stars.

An international research team led by astronomers at Ohio State and Vanderbilt universities discovered the superheated planet, known as KELT - 9b, and published the results of their findings in the journal Nature.

Now, a team led by astronomers at UC Santa Cruz has succeeded in obtaining an infrared spectrum of WISE 0855 using the Gemini North telescope in Hawaii, providing the first details of the object's composition and chemistry.

A new study by astronomers from the Kavli Institute for Astronomy and Astrophysics at Peking University (KIAA), the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC), Northwestern University and the Adler Planetarium suggests the globular cluster swept up stray gas and dust from outside the cluster to give birth to three different generations of stars.

However, a new study by astronomers from the University of Manchester, UK, now shows surprising similarities between some of these nebulae: many of them line up in the sky in the same way [1].

A STAR system that may have strayed into the Milky Way from another galaxy has been discovered by an astronomer in the US.

The is the implication of work by astronomers in the US who have, for the first time, determined the individual masses of the two worlds.

According to a survey conducted by astronomers at Cornell University, the Milky Way may be host to over 100 million planets hosting life beyond the microbial stage.

Modelling of Tau Ceti's dust disk observations by the astronomers indicate, however, that the mass of the colliding bodies up to 10 kilometers (6.2 miles) in size may total around 1.2 Earth - masses, compared with 0.1 Earth - masses estimated to be in the Solar System's Edgeworth - Kuiper Belt (Greaves et al, 2004).

As described by astronomer Steven Soter:

The observations are consistent with the hypothesis that Vega is viewed with its pole of rotation pointing toward Earth (first proposed by astronomer Richard O. Gray), so that the relatively cool equator corresponds to the darker «limb of the star» and heightens the gravity - darkening effect.

Due to its orbit around the Sun, the asteroid is currently only visible by astronomers with large telescopes who are located in the southern hemisphere.

MAUNAKEA, HAWAI'I - A trip past the sun may have selectively altered the production of one form of water in a comet — an effect not seen by astronomers before, a new NASA study suggests.

The discovery, the first - ever finding of non-radio emission from any fast radio burst, drastically raises the stakes for models of fast radio bursts and is expected to further energize efforts by astronomers to chase down and identify long - lived counterparts to fast radio bursts using X-ray, optical, and radio telescopes.

The first record of a solar flare and a magnetic storm was noted by astronomer Richard Carrington in 1859.

A team led by astronomer William Romanishin of the University of Oklahoma, Norman, considered whether surface markings, such as a bright hemisphere and a dark one, could explain the data.

The oldest event in the catalog, a total solar eclipse that occurred in 720 B.C.E., was observed by astronomers at a site in Babylon (now modern - day Iraq).

The planet — Proxima b — was discovered by astronomers who spent years looking for signs of the tiny gravitational tug exerted by a planet on its star, after spotting hints of such disruption in 2013.

However, new work by astronomers at the University of Sheffield has discovered an incident of a star being destroyed by a supermassive black hole in a much smaller sample size — a group of just 15 galaxies.

The spins line up in an eerie way too, according to observations published last year by astronomer Stephen Slivan of the Massachusetts Institute of Technology (MIT) in Cambridge.

A team led by astronomers for Liverpool John Moores University have found at least three planets that could support life.

Tycho's supernova was witnessed by astronomer Tycho Brahe in 1572.

The Drake equation, developed by astronomer Frank Drake and promoted by Carl Sagan, is used to estimate the number of intelligent civilizations in the universe.

Geneticists and information scientists have built and are building models for the transition of organic molecules to self - replicating living organisms, based on theories of Earth's early development provided by astronomers, geologists, and oceanographers and on the evidence of fossilized microorganisms discovered by paleontologists.

The absence of sunspots after 1645 was noted by astronomers using the recently invented telescope; the aurora borealis...

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.

Unfortunately, a new study released today led by astronomer David Kipping of Columbia University has all but ruled out the possibility of transits for Proxima b. Kipping and his colleagues went searching for its transits in data gathered by Canada's MOST space telescope, and even found what seemed to be a compelling signal — but additional data from the ground - based HATSouth telescope array suggested the signal was due to Proxima Centauri's flares rather than any transiting world.

Xena, the «is / isn «t» planet discovered by astronomer Mike Brown and his team, is the farthest object orbiting the sun that anyone has managed to find — roughly 10 billion miles out, more than 7 billion miles beyond Pluto.

The one they employ was first suggested by the astronomer Karl Schwarzschild to describe radiative transfer within the Sun.

He is a member of the survey team for the low - cost Kilodegree Extremely Little Telescope (KELT) system that consists of a pair of robotic telescopes designed to find exoplanets around bright stars operated by astronomers at Ohio State University, Vanderbilt University, Lehigh University and the South African Astronomical Observatory.

This was feasible by the advent of Atacama Large Millimeter Array (ALMA), located on a mountaintop plateau in Chile, which works in tandem to detect electromagnetic waves at a wavelength range in the millimeter (pivotal for studying molecular gas) and a sensitivity level that is just starting to be explored by astronomers today.

How did you reconcile Burroughs's version of Mars, which was influenced by astronomer Percival Lowell's idea that it was home to a civilization depleting its resources, the barren, hostile world we now know it to be?

Surely this could be used as evidence for panspermia, the theory that life on Earth was seeded from space, as proposed by astronomers Fred Hoyle and Chandra Wickramasinghe.

Upon closer examination of the data — compiled from nearly 500 hours of observation by the 64 - meter Parkes radio telescope in Australia — a team led by astronomer Duncan Lorimer of West Virginia University in Morgantown estimated that the blast actually came from about 3 billion light - years away.

The term was first invoked nearly 80 years ago by the astronomer Fritz Zwicky, who realized that some unseen gravitational force was needed to stop individual galaxies from escaping giant galaxy clusters.

A super Earth known as Gliese 667Cc also came to light in 2011, discovered by astronomers combing through data from the European Southern Observatory's 3.6 - meter telescope in Chile.

MacGregor and her colleagues reanalyzed data from a recent study led by astronomer Guillem Anglada of the Institute of Astrophysics of Andalusia in Granada, Spain.

Venus transits were recognized by astronomers as early as the 17th century as offering a means to approximate the scale of Earth's solar system.