Sentences with phrase «near the center of a galaxy»

Similarly, life will not emerge or survive for long near the centers of galaxies.

A giant star near the center of our galaxy hints, once again, that Albert Einstein was correct about gravity.

Black holes can therefore be detected by observing rapidly moving stars or gas near the center of a galaxy, provided that the region where the black hole gravity dominates can be resolved by the observations.

In 1997 a detector aboard the orbiting Compton Gamma Ray Observatory analyzed a geyser of positrons near the center of our galaxy.

Normally, he says, «you expect objects near the center of a galaxy to rotate faster and objects farther from the center to go slower and slower, but this wasn't observed.»

Detected near the center of our galaxy by the Hubble Space Telescope's new infrared camera (see story opposite), and named after the gun - shaped nebula that surrounds it, the Pistol is roughly a hundred times as massive as the sun and anywhere from 2.5 million to 15 million times as bright.

A star ripped to shreds by a massive black hole may explain a strange feature near the center of our galaxy.

Stars can grow no bigger than 150 times as massive as our sun, according to a study of the dazzling «Arches» cluster near the center of our galaxy — shown here in an artist's impression.

AGNs are the highly luminous, compact regions near the center of some galaxies.

For this to occur, outside forces would have to compress the gas clouds near the center of our galaxy to overcome the violent nature of the region and allow gravity to take over and form stars.

In a statement released Friday, the researchers said that they had detected signs of a black hole with a mass of 100,000 times the mass of the Sun near the center of our galaxy, the Milky Way.

The target object of this observation is radio source Sagittarius B2 (Sgr B2), which is an object with strong emission, located at near the center of our galaxy.

u «For example, no one can explain how the stars — which are 15 times heftier than our sun — got there [near the center of our galaxy].

«This is a unique opportunity for the K2 mission and ground - based observatories to conduct a dedicated wide - field microlensing survey near the center of our galaxy,» said Paul Hertz, director of the astrophysics division in NASA's Science Mission Directorate at the agency's headquarters in Washington.

By measuring the rapid orbits of the stars near the center of our galaxy, Dr. Ghez and her colleagues have moved the case for a supermassive black hole at the heart of the Milky Way from a possibility to a certainty.

I believe that the nearest known black hole is near the center of our galaxy, about 50,000 light - years from here.

In this discovery, reported by Caltech researchers in June, radio telescopes picked up faint traces of the organic compound propylene oxide in a vast cloud of gas and dust called Sagittarius B2, which is near the center of our galaxy.

Those stars got their higher velocities before space was stretched out — when they were nearer the center of their galaxy, where the galaxy's gravity was much more powerful.

These regions, called cosmic masers, are found in areas where new stars are forming and near the centers of galaxies.