Sentences with phrase «gravity of»

Astronomers realised in the 1970s that the gravity of visible matter alone was not enough to prevent the fast - moving stars and gas in spiral galaxies from flying out into space.

These rare systems — only a few tens were known until recently — were thought to have had their outer coats of stars ripped away by the gravity of other, larger galaxies as they passed nearby, a theory supported by the fact that they were usually found in the centers of large clusters of galaxies.

The astronomers spotted the solar system due to a phenomenon called gravitational microlensing — when the gravity of a star focuses the light from a more distant star and magnifies it like a lens.

Astronauts on the International Space Station age a little less because of the velocity at which they travel, and a little more for enjoying less of the gravity of mothership Earth.

The gas is dragged along by the strong gravity of the black hole to form a narrow gas stream.

The other scenario is the «irruption model» in which a high speed black hole storms through a dense gas and the gas is dragged along by the strong gravity of the black hole to form a gas stream.

• Even names can get mangled by the mighty gravity of collapsed stars.

In a gravitational lens, the gravity of stars and other matter can bend the light of a much more distant star or galaxy, often fracturing it into several separate images (see image at right).

An international team, using telescopes in Hawaii and Chile, detected movement in the star — at speeds as low as 30 centimeters per second — caused by the gravity of the orbiting planets.

Given the gravity of the reviewer's position, «if I don't do this ethically and objectively, I could kill someone's career,» admits Kijewski - Correa.

Lead author, Dr Jay Farihi (UCL Physics & Astronomy), said: «Building rocky planets around two suns is a challenge because the gravity of both stars can push and pull tremendously, preventing bits of rock and dust from sticking together and growing into full - fledged planets.

«If we lose sight of the true gravity of extinction and overzealously embrace de-extinction as a mitigation tool, it would be really easy to manufacture forests, savannas, and oceans full of Franken - species and Eco-zombies,» McCauley says.

They attributed this to the gravity of a planet of that orbital period pulling on the star.

A gravitational lens is made from a pair of objects in which the light from the distant one interacts with the gravity of the closer one.

«A savage review is one that is either personalized — in other words, the criticisms are of the persons rather than of the works — or the criticisms are of the works but the language is excessive... for the gravity of the sins,» Sternberg explains; he estimates that he has received a dozen savage reviews during his career.

Among other things, the new map will help astronomers to understand and explain the motion of the Milky Way, which is apparently being tugged by the gravity of neighboring groups and clusters of galaxies, says 2MASS team member Karen Masters of the University of Portsmouth in the United Kingdom, who presented the it here at the summer meeting of the American Astronomical Society.

In August, Rosetta arrived at 67P, and scientists began a frantic effort to map the feeble gravity of the comet's mountain - sized nucleus even as they searched for boulder - free, level landing terrains.

The faint radiation was visible thanks to a fortuitous cosmic alignment: The light from the distant quasar is amplified by the gravity of a much closer, invisible galaxy.

The gravity of all the stars in the cluster is not enough to hold it together, so something else had to be binding the cluster.

The combined gravity of the second and third stars would have kept the gas and dust disk of the primary star at a maximum radius of 200 million kilometers — too close for the formation of giant planets.

But some scientists have suggested the fast - moving stars near the cluster centres could instead result from the gravity of many dim, dead stars such as white dwarfs or neutron stars.

If Jaczko's information was correct, the plant's owner, Tokyo Electric Power Co. (TEPCO) may have withheld information about the gravity of the crisis.

The telescopes also were key parts of an international program to look for planets around other stars by means of gravitational microlensing, in which the gravity of a small object passing in front of a star briefly amplifies the star's light.

Rennan Barkana of Tel Aviv University in Israel and Avi Loeb of Harvard University in Cambridge, Massachusetts, realized that the gravity of such shrouds should attract more gas at high rates, like water drawn into a whirlpool.

It is also possible to use the way the gravity of clusters of galaxies distort more distant background galaxies, weak gravitational lensing, as another tracer.

For now, though, the ability to manipulate, as well as float, objects by sound could be used to transport hazardous or fragile materials or to simulate the low gravity of space.

That suggested that the gravity of the nearby galaxies had bent and magnified the light from the more distant, dusty galaxies.

Artist's impression of a rocky and water - rich asteroid being torn apart by the strong gravity of the white dwarf star.

Acting as a «natural telescope» in space, the gravity of the extremely massive foreground galaxy cluster MACS J2129 - 0741 magnifies, brightens, and distorts the far - distant background galaxy MACS2129 - 1, shown in the top box.

The gravity of this cluster acted as a lens, bending the light from a more distant galaxy behind it and brightening it.

Either the clusters are moving under the gravity of a huge concentration of matter, which means that matter is distributed unevenly over a larger scale than that of the survey, or the big bang was not uniform.

Some theories say the gravity of nascent black holes pulled matter together to form the first galaxies, but it remains unclear if the earliest black holes were massive enough to do this.

A new NASA computer simulation shows that dark matter particles colliding in the extreme gravity of a black hole can produce strong, potentially observable gamma - ray light.

Arriving at their destination in a headlong rush, they must pivot, then blast their retro - rockets in a desperate effort to slow down enough so that they will be lassoed by the gravity of the target planet or moon and pulled into orbit.

Any protoplanetary object drifting too close to proto - Jupiter would have gone on a wild ride: The gravity of the mighty proto - Jupiter was capable of tossing the smaller newborn planet (pdf) completely out of the solar system.

Getting a high - resolution spectrum was possible thanks to a fortunate trick of nature: The light of the distant object is magnified 50 times by the gravity of a galaxy cluster halfway between the Earth and cB58.

Cassini is so hefty that NASA did not have a rocket powerful enough to send it on a direct course, so engineers devised a 2.2 - billion - mile loop - the - loop trajectory that exploited the gravity of Venus, Earth, and Jupiter to hurl the spacecraft to its ringed destination.

An international research team, led by Dr. Yuji Harada from Planetary Science institute, China University of Geosciences, has found that there is an extremely soft layer deep inside the Moon and that heat is effectively generated in the layer by the gravity of Earth.

The gravity of a galaxy cluster between Earth and PS1 - 10afx could warp space - time and, in effect, focus the supernova's light towards Earth.

The gravity of the other giant planets also tugs on Uranus, so this must be taken into account.

General relativity also is the bedrock of gravitational lensing, which uses the gravity of stars and galaxies as a giant magnifying glass to zoom in on farther cosmic objects.

Would the comet disintegrate in the fierce heat and gravity of the sun?

More local galaxies may be unduly influenced by the gravity of local clumps of matter.

The X-ray data also indicates that radiation from material surrounding this black hole has consistently surpassed the so - called Eddington limit, defined by a balance between the outward pressure of radiation from the hot gas and the inward pull of the gravity of the black hole.

When Stone explained the gravity of the inquiry to Chinna Pamidi, the testing facility's president, the Cetero executive made a brief phone call.

How does the gravity of large bodies like the sun, Earth or black holes warp space?

A nova can occur if the strong gravity of a white dwarf pulls material from its orbiting companion star.

The gravity of a black hole swallows the matter around it.

The concentrated gravity of a MACHO would deflect passing light on its way to us from distant stars.

The light from the supernova, nicknamed Refsdal, traveled for over 9 billion years along paths dictated by the gravity of the intervening galaxy.