Sentences with phrase «number of astronomers»

The American Astronomical Society is offering opportunities for AAS members to secure funding to travel to a Society meeting in order to increase the number of astronomers from historically underrepresented groups.

In order to gain access to major telescopes and to make up for their limited number of astronomers, certain less - astronomically - advanced countries could pool resources to construct or use telescopes or even buy time allocations to compensate a consortium financially.

Observations of dwarf galaxies are prompting a growing number of astronomers to change their minds about what properties they want dark matter to have.

One reason Morris and a growing number of astronomers are mesmerized by the maelstrom at the core of our galaxy is that it doesn't fit neatly into any of the models that scientists have painstakingly assembled over the decades to describe the various types of «active» galaxies they observe.

Not exact matches

The biggest number of planets appears to be a new class of planets, called «mini-Neptunes,» Benjamin Fulton, an astronomer at the University of Hawaii at Manoa and the California Institute of Technology, said during the briefing.

Physicists and Astronomers, numbering just 2,200 in Canada, are the smallest niche on this list, but their field is about all of time and space, from the stars to the atomic level.

Of an estimated 100 million television viewers — 10 times the number of people who tuned in for The Voice's season 1 finale — most stay up past the «main event» to watch former secretaries of the U.S. government debate nuclear policy with astronomer Carl SagaOf an estimated 100 million television viewers — 10 times the number of people who tuned in for The Voice's season 1 finale — most stay up past the «main event» to watch former secretaries of the U.S. government debate nuclear policy with astronomer Carl Sagaof people who tuned in for The Voice's season 1 finale — most stay up past the «main event» to watch former secretaries of the U.S. government debate nuclear policy with astronomer Carl Sagaof the U.S. government debate nuclear policy with astronomer Carl Sagan.

In part because of their immense numbers, such stars are in some respects easier for astronomers to study.

An international team of astronomers has determined that Centaurus A, a massive elliptical galaxy 13 million light - years from Earth, is accompanied by a number of dwarf satellite galaxies orbiting the main body in a narrow disk.

One hint of trouble came to light in the 1970s, when astronomers realized the outer portions of a significant number of galaxies were rotating inexplicably fast, seemingly pulled by more gravity than general relativity could explain.

Dreamed up in 1961 by astronomer Frank Drake, the equation provides an estimate of the number of detectable alien civilisations in the Milky Way.

The Kepler team has still not calculated that number, but astronomers are confident that they have enough data to do so, said Susan Thompson of the SETI Institute in Mountain View, Calif..

Based on the numbers of such planets that astronomers have found in tight orbits around stars nearer to our sun, Gilliland's colleagues expected to see 15 or 20 planets in 47 Tucanae.

Astronomers have developed a number of theories for why we haven't found more, but none of them could account for both the paucity of dwarf galaxies and their properties, including their mass, size, and density.

Astronomers expected them to be the tip of the stellar iceberg, their light overwhelming the faint glow emitted by vast numbers of more...

And as those smaller, cooler planets pile up, astronomers are coming ever closer to pinning down the number of potentially habitable, potentially Earth - like planets in our galaxy, a value they call «eta - Earth.»

Despite their name, MACHOs need not occur only in the galactic halo, so astronomers can search for them by looking for microlensing effects anywhere where there are large numbers of stars.

I think astronomers should take that cue and say, let's be realistic — society wants labels on a small number of things we know about.

If so, large - scale supernova surveys could turn up more of these invisible lenses, helping astronomers find and put limits on the number of dark - matter dwarfs in the universe, Quimby and colleagues conclude.

When re-analysing catalogued and updated observational data of brown dwarfs in the solar neighbourhood, astronomers from Potsdam have found that a significant number of nearby brown dwarfs should still be out there, awaiting their discovery.

Number of published papers: 200 and counting Mentor: Astronomer Dennis Sciama, a leading 1950s advocate of the steady - state theory, which held that the universe is eternal Alternative career: While at University College London, Penrose was forced to choose between biology and mathematics.

The other side of darkness In April's Sky Lights [«A Lighter Shade of Black»] Bob Berman presents the paradox suggested by astronomer Heinrich Olbers: «If we live in an infinite universe containing an infinite number of stars, then... every point of the sky, no matter how small, should be filled with starlight....

Power in Numbers Some astronomers are taking an even more bare - bones approach, skipping the large space missions in favor of networks of smaller scopes to spot nearby exoplanets.

The result was the Hubble Deep Field, a series of images that doubled astronomers» estimates of the number of galaxies in the universe to at least 50 billion.

The decreasing number of galaxies as time progresses also contributes to the solution for Olbers» paradox (first formulated in the early 1800s by German astronomer Heinrich Wilhelm Olbers): Why is the sky dark at night if the universe contains an infinity of stars?

Astronomers have concocted a number of unwieldy theories to explain the discrepancy.

Given the growing number of Earth - like planets of which astronomers are now aware, it is increasingly extraordinary that aliens that look and behave something like us have not been found, he suggests.

If the galaxies turn out to be very old, a distinct possibility, it may mean that astronomers will have to revise not only their count of the number of galaxies in the universe but the history of galaxies as well.

ROCHESTER, NY — A team of astronomers has measured the motions of 100,000 galaxies, four times the number charted in any previous survey.

Astronomers have been able to forecast trends in the number of sunspots since the 1800s, but predicting individual spots requires satellites that can probe the turbulent plasma flows deep beneath the sun's surface.

Story number 2: Astronomers have detected an energetic outburst near the constellation Sagittarius that they believe was caused by a distant galaxy in the midst of reversing the direction of its spiral rotation.

«The Southern Hemisphere has quite a number of unique astronomical objects, such as the Magellanic Clouds, that can not be seen from the North,» says University of Wisconsin astronomer Kenneth Nordsieck.

Seth Shostak, Astronomer 14,500 followers @SethShostak Citations: 424 K - index: 48 Total number of tweets: 294 SETI Institute, United States

Amy Mainzer, Astronomer 13,600 followers @AmyMainzer Citations: 1,444 K - index: 31 Total number of tweets: 2,221 Jet Propulsion Laboratory, United States

Pamela L. Gay, Astronomer 17,800 followers @starstryder Citations: 238 K - index: 71 Total number of tweets: 12,700 Southern Illinois University, Edwardsville, United States

A team of astronomers has doubled the number of known young, compact radio galaxies — galaxies powered by newly energized black holes.

In a new paper submitted to The Astrophysical Journal on 29 November 2013 (available on the ArXiv Preprint Server), a group of astronomers detected a large number of distant, gravitationally lensed galaxy candidates — all viewed through Abell 2744, with the galaxy cluster acting as a lens.

Robert Simpson, Astronomer 21,500 followers @orbitingfrog Citations: 2,280 K - index: 42 Total number of tweets: 11,500 University of Oxford, United Kingdom

A Time Allocation Committee (TAC) of 18 astronomers gave the New Horizons team an additional 120 orbits to search the remaining space if the initial search turns up a reasonable number of KBO candidates.

When astronomers scale up to the number of supernovae they expect to be taking place throughout the entire universe they reach a mind - boggling number: thousands of exploding stars every hour.

Astronomers have used the NASA / ESA Hubble Space Telescope and the NASA Spitzer Space Telescope to study the atmospheres of ten hot, Jupiter - sized exoplanets in detail, the largest number of such planets ever studied.

Astronomers have found hundreds of brown dwarfs within just 100 light - years of us but know distressingly little about the total number of them out there.

Given this and other recent finds, astronomers either have been phenomenally lucky — or, more likely, they have underestimated substantially the number of small, very young galaxies in the early Universe.

The flyby produced a number of up - close observations of Lutetia that astronomers will use to investigate its composition and history.

Astronomers in Canada and the US have found tentative evidence that Tau Ceti has an 11 - year cycle during which the number of its starspots waxes and wanes, just like the sunspot cycle.

Astronomers measure the brightness of objects in the sky on a scale of apparent magnitude — the brighter the object, the greater the negative number; the dimmer, the greater the positive number.

Story number 2: Historians have dated Caesar's invasion of Britain to August 26th and 27th in the year 55 BC, but a new analysis by astronomers shows that the actual invasion dates had to be earlier.

The payoff, astronomers hope, will be penetrating new insights into a number of fundamental cosmic puzzles, including how the first stars and galaxies formed and whether our solar system is unique.

They were also able to accurately estimate the number of dwarfs in the halo, calculating a fraction of 7 per cent, higher than astronomers have previously found for the whole Milky Way.

In this episode, Scientific American editor George Musser talks with Caltech Astronomer Josh Simon about dark matter, and about the efforts to try to locate the so - called missing satellites of the Milky Way — small galaxies that have yet to be found in the numbers that the cold dark matter theory predicts.