Sentences with phrase «used by astronomers»

Let me refer you to the book used by astronomers (I believe there is a person at Goddard with an astronomy science background), Handbook of Astronomical Image Processing by Berry and Burnell, starting at p. 453.

The exhibition also includes Her Luminous Distance, a slide - based installation featuring a device used by astronomers to detect small pattern differences between photographic plates by alternately switching between images, blinking back and forth between the two.

«The Celestial Sphere is an imaginary dome used by astronomers to describe the position of the stars as seen from the earth,» she explains.

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

This approximation, often used by astronomers, is based upon equations developed by the 18th - century mathematicians Joseph - Louis Lagrange and Pierre - Simon Laplace.

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.

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

The society cited Greisen's quarter - century as «principal architect and tireless custodian» of the Astronomical Image Processing System (AIPS), a massive software package used by astronomers around the world, as «an invaluable service to astronomy.»

The astronomical unit (AU) is a basic unit of distance used by astronomers.

To unscramble the light from cells buried within organisms, the researchers turned to adaptive optics — the same technology used by astronomers to provide clear views of distant celestial objects through Earth's turbulent atmosphere.

Very wide and deep surveys, such as KiDS, are needed to ensure that the very weak cosmic shear signal is strong enough to be measured and can be used by astronomers to map the distribution of gravitating matter.

• The Karl G. Jansky Very Large Array (VLA), a 27 - telescope array in New Mexico heavily used by astronomers;

The debate over whether a bacterium can incorporate arsenic into its DNA just flared up again, with the posting yesterday of a paper refuting the idea on ArXiv, an electronic preprint archive primarily used by astronomers, mathematicians, and physicists.

It shows a solar eclipse from 1919, the same eclipse that was used by astronomer Arthur Eddington to prove Albert Einstein's general theory of relativity.

The app will also show users when the mighty Keck Observatory telescopes are on sky and in use by astronomers, as well as where the telescopes are being aimed in the sky at any instant.

Not exact matches

However, two astronomers — Gianluca Masi of The Virtual Telescope Project and Michael Schwartz of Tenagra Observatories, Ltd. — managed to track down the Tesla using orbit data provided by NASA's Jet Propulsion Laboratory.

It is like asking a bunch of astronomers whether they all study the same sun when they are all using different equipment and without recognizing that they all think about what is meant by the words «study», «same» and «sun in different ways.

Normally, a picture like this would show lots of stars as well as dust lit up by those stars, but astronomers used an image taken in visible light to subtract off the stars in the IR image, leaving just the dust behind.

Follow - up observations taken at Weryk's request by astronomer Marco Micheli, using a European Space Agency telescope in the Canary Islands, only deepened the mystery.

The Swiss team made its discovery using a ground - based technique pioneered by Geoff Marcy and Canadian astronomer Bruce Campbell in the 1980s.

Fast forward 500 years, and a team of astronomers led by John Bally (University of Colorado, USA) has used the Atacama Large Millimeter / submillimeter Array (ALMA) to peer into the heart of this cloud.

As instruments improved, astronomers detected smaller wobbles caused by smaller planets, until in 2004 a team using the Hobby - Eberly Telescope was arguably the first to find a super-Earth, 55 Cancri e. Others were revealed when their gravity briefly magnified the light of a distant star, a process known as gravitational lensing.

By cataloging their stellar corpses using LIGO, astronomers can learn more about how these stars lived out their lives.

Astronomers hope to analyze the atmospheres of these and other super-Earths by examining the starlight filtering through them, perhaps using the James Webb Space Telescope, scheduled for launch in 2013.

Starting in June, a team led by astronomer Nuno Santos of the University of Lisbon, Portugal, used HARPS to monitor a star called μ Arae, faintly visible to the eye.

Astronomers made the measurements by streamlining and strengthening the construction of the cosmic distance ladder, which is used to measure accurate distances to galaxies near and far from Earth.

A team led by astronomer Dimitar Sasselov of the Harvard - Smithsonian Center for Astrophysics in Cambridge, Massachusetts, used several large telescopes to scrutinize 59 candidate stars that OGLE singled out for a closer look via subtle dips in their light outputs.

In 2012 and 2014 a team led by an astronomer from Paris Observatory took a second look at the auroras using the ultraviolet capabilities of the Space Telescope Imaging Spectrograph (STIS) installed on Hubble.

A team led by astronomer Kenji Hamaguchi of NASA's Goddard Space Flight Center in Greenbelt, Maryland, used the XMM - Newton and Chandra x-ray satellites to study a stellar nursery just 550 light - years from Earth.

Astronomers tracked the interplanetary shocks caused by two powerful bursts of solar wind traveling from the sun to Uranus, then used Hubble to capture their effect on Uranus» auroras — and found themselves observing the most intense auroras ever seen on the planet.

A team led by ESO astronomer Giacomo Beccari has used these data of unparallelled quality to precisely measure the brightness and colours of all the stars in the Orion Nebula Cluster.

Astronomers detected the planets using the Kepler telescope, which measures the slight dimming of a star's light caused by orbiting planets passing in front of it.

Astronomers have been telescopically studying Ceres for decades, using spectrometers to measure how certain wavelengths of light are reflected or absorbed by substances on the surface.

Their paths shift slightly from one orbit to the next — a phenomenon known as precession — but when astronomers use general relativity to predict the amount of this shift, their answers are off by a factor of four.

Following up on the discovery, an international team of scientists led by the Swiss astronomer Vincent Bourrier from the Observatoire de l'Université de Genève, used the Space Telescope Imaging Spectrograph (STIS) on the NASA / ESA Hubble Space Telescope to study the amount of ultraviolet radiation received by the individual planets of the system.

Using infrared images recorded by NASA's Spitzer Space Telescope, astronomers have created the first weather map of a planet outside our solar system.

Paglen was able to identify and photograph these secret spacecraft due to the work of a diverse international group of amateur astronomers who maintain a catalogue of classified spacecraft in Earth's orbit by producing mathematical descriptions of orbits using simple tools like stopwatches and binoculars.

By using the full power of the Very Large Telescope Interferometer an international team of astronomers has discovered exozodiacal light close to the habitable zones around nine nearby stars.

The Search for Extraterrestrial Radio Emissions from Nearby Developed Intelligent Populations (SERENDIP) has scanned billions of radio sources in the Milky Way by piggybacking receivers on antennas in use by observational astronomers, including Arecibo.

Using the world's largest radio telescope, two astronomers from Swinburne University of Technology in Australia have detected the faint signal emitted by atomic hydrogen gas in galaxies three billion light years from Earth, breaking the previous record distance by 500 million light years.

As the most abundant element in the Universe and the raw fuel for creating stars, hydrogen is used by radio astronomers to detect and understand the makeup of other galaxies.

(Z is the term astronomers use to denote how the light of distant objects is stretched by the expansion of the universe.)

Using data gathered by an infrared camera during a survey of such stars, astronomers have found that the brightness of a brown dwarf — dubbed 2MASS 2139, which lies about 47 light - years from Earth — varied as much as 30 % in less than 8 hours.

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.

Astronomers using telescopes at seven different locations, including the 1.54 - metre Danish and TRAPPIST telescopes at ESO's La Silla Observatory in Chile [5], were able to watch the star apparently vanish for a few seconds as its light was blocked by Chariklo — an occultation [6].

The discovery was made using inexpensive ground - based telescopes, including one specially designed to detect exoplanets and jointly operated by astronomers at Ohio State University and Vanderbilt University.

A mysterious device found in Greek waters was «all - in - one astronomical device» used by ancient astronomers.

Astronomers working with the Sloan Digital Sky Survey have used a 2.5 - meter telescope at the Apache Point Observatory in Sunspot, New Mexico, to map the location of more than 930,000 nearby galaxies, determining the distance to each by how much the expansion of the universe has stretched, or «redshifted,» the wavelength of the galaxy's light.

Using data captured by ALMA in Chile and from the ROSINA instrument on ESA's Rosetta mission, a team of astronomers has found faint traces of the chemical compound [Freon - 40]--(CH3Cl), also known as methyl chloride and chloromethane, around both the infant star system IRAS 16293 - 2422, about 400 light - years away, and the famous comet 67P / Churyumov - Gerasimenko (67P / C - G) in our own Solar System.

Now, a large team of astronomers led by Charles Alcock of the Lawrence Livermore National Laboratory in Livermore, California, has used the Hubble Space Telescope and ESO's Very Large Telescope in Chile to study a microlens that was discovered in 1993.