Sentences with phrase «astronomers detect»

Some neutron stars, like the one in the Crab Nebula supernova remnant, are called pulsars because astronomers detect regular radio pulses coming from them.

If a good fraction survives and makes it into interstellar space, it could account for the copious dust astronomers detect in the early Universe.

So how do astronomers detect something that they can't see?

So, if astronomers detect the spectroscopic «fingerprint» of methane in an exoplanet's atmosphere, it could mean that alien biological processes are producing the stuff.

As the object turns, the aurorae — shown in this artist's conception as a bright ring around the top pole — come in and out of view, altering the amount of visible light and radio waves astronomers detect.

Astronomers detect planets by spotting stars that repeatedly wobble toward and away from Earth, tugged by the gravity of one or more planetary companions.

The repeat observations will help astronomers detect changes in stars and galaxies in an unprecedented way, probe dark matter and dark energy, and discover transient phenomena such as stellar explosions.

(Black holes themselves are invisible, but astronomers detect them by looking for the brilliantly hot gas that swirls around them before getting sucked in.)

As a pulsar spins, it emits a narrow stream of radiation, like the beam from a lighthouse; astronomers detect it only if the beam happens to sweep past Earth.

* Astronomers detect a distant planet by measuring how its gravity bends light.

Astronomers detect planets too far away for direct observation by the dimming in light when a world passes in front of, or transits, its host star.

If astronomers detect a threatening asteroid, the U.N.'s Committee on the Peaceful Uses of Outer Space will help coordinate a mission to deflect it.

«Astronomers detect atomic hydrogen emission in galaxies at record breaking distances.»

Cash and his team tested different variations of his starshade design in the Nevada desert; the best designs might one day fly in space to help astronomers detect and study exoplanets.

When a pulsar spins these regions in our direction, astronomers detect pulses of emission, hence the name.

Decades passed before astronomical technology verified that idea: It wasn't until 1979 that astronomers detected a real - life example of a gravitational lens in the double image of a quasar — side - by - side glimpses of a galaxy's blazing heart, resembling a pair of oncoming headlights.

In 2009, astronomers detected evidence of «Galaxy X» in the form of ghostly ripples in our own galaxy's disk.

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.

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.

The light the astronomers detected has a wavelength of about half a millimetre, is invisible to the human eye, and struggles to get through the Earth's atmosphere.

In observations obtained at the William Herschel Telescope in the Canary Islands, the University of Warwick astronomers detected a large quantity of hydrogen and oxygen in the atmosphere of a white dwarf (known as SDSS J1242 +5226).

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.

Hidden within an interstellar gas cloud like this one, astronomers detected glowing remnants of the big bang.

The astronomers detected the object at a wavelength of 3.76 microns but not at 2.16 microns.

Astronomers detected the extraordinary feast in X-ray images from ESA's XMM - Newton spacecraft and NASA's Chandra and Swift satellites.

If, for instance, astronomers detected high concentrations of a gas that degrades naturally, that would indicate something was replenishing supplies.

Astronomers detected the galaxy by using a natural magnifying glass.

The astronomers detected 48 new molecular clouds as well as 24 others that earlier observers had seen in the outer galaxy.

In the wee hours of the morning of 19 March, astronomers detected from more than halfway across the universe a burst of gamma rays brighter than a hundred - billion suns — and aimed squarely at Earth.

This intriguing idea received a boost in 2003, when astronomers detected methane in the Martian atmosphere.

Although astronomers detected methane on Titan as early as 1944, it was only the additional discovery of nitrogen 36 years later that generated the immense interest in this cold and distant moon [see «Titan,» by Tobias Owen; Scientific American, February 1982].

It's been less than a year since astronomers detected seven planets around TRAPPIST - 1, a remarkable star system located 39 light years from Earth.

Astronomers detected Ross 128 b using the European Southern Observatory's High Accuracy Radial - velocity Planet Searcher (HARPS) at the La Silla Observatory in Chile and measured the slight «wobbles» of the star caused by the orbiting exoplanet.

Later, astronomers detected cyanoacetylene (HC3N), the first long - chain molecule detected in the interstellar medium, demonstrating that complex molecules could exist in space.

Astronomers detected it through visible light, which is an extraordinary feat for a planet of this nature.

Astronomers detected Gliese 1132b's atmospheric gases by watching the exoplanet orbit in front of its star.

Last month, astronomers detected a bizarre light pattern emitting from a star in a faraway galaxy that seemed to defy explanation,...

The ultraviolet Hubble data was captured after astronomers detected powerful solar winds heading towards Uranus, and tasked the telescope with observing the effects on the planet's atmosphere and magnetic field

Astronomers detected this runaway universe with the Hubble Space Telescope in the 1990s and they are using it now to understand the dark energy that causes cosmic acceleration.

With the help of NASA's SWIFT satellite mission, two teams of astronomers detected the oldest known Gamma - Ray Burst (GRB) on April, 2009, designated GRB 090423.

Subsequently, however, an even more distant quasar with a tentative redshift of z = 6.40 was announced on January 9, 2003, near the SDSS detection limit of a redshift of z ~ 6.5 for bright quasars, and other teams of astronomers detected even more distant, fast - star - forming irregular proto - galaxies, including: gravitationally - lensed HCM 6A behind galaxy cluster Abell 370 with a redshift of z ~ 6.56, which appears to be converting about 40 Solar - masses into stars annually; (PhysicsWeb; IFA press release; Hu et al, 2002, in pdf; and erratum); and the possible «superwind - galaxy» LAE J1044 - 0130 (Subaru press release; and Ajiki et al, 2002, in pdf).

Not exact matches

The stars were detected by two separate teams of astronomers.

Astronomers have detected signs for another planet in our solar system.

Two teams of astronomers have discovered the largest and farthest reservoir of water ever detected in the universe.

Astronomers expected water vapor to be present even in the early, distant universe, but had not detected it this far away before.

The rippling red sheets are gravitational waves, which astronomers hope to detect with pulsar timing observations.

When LIGO detects gravitational waves, the collaboration alerts astronomers to the approximate location the waves seemed to originate from.

After finding signs that Jupiter's icy moon emits repeating plumes of water near its southern pole, astronomers using the Hubble Space Telescope hope to detect more evidence of the geysers.

Molecules in a planet's atmosphere can absorb passing starlight, imprinting barcode - like signatures on the light that astronomers can then detect.

The team was studying the warm gas in this disk using a technique called spectro - astrometry, which allows astronomers to detect small changes in the position of moving gas.