Sentences with phrase «stars near the center of our galaxy»

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

Not exact matches

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.
SIM will also measure the motions of stars near the center of many galaxies, which should tell us whether they harbor enormous black holes at their core.
Over the next several years, new infrared measurements showed that much of the gas and clouds and even entire stars nearest the center weren't simply rotating with the rest of the galaxy.
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.
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.
Before the heavens were stretched out, those stars had high velocities, because they were near a galaxy's center of mass where a black hole was growing.
«We found the clumps of CO gas far from the galaxy's center, and not near the regions of current star formation,» Walter said.
An intensive study of a neighboring dwarf galaxy has surprised astronomers by showing that most of its molecular gas — the raw material for new stars — is scattered among clumps in the galaxy's outskirts, not near its center as they expected.
All galaxies, including our own, are believed to be embedded in and surrounded with halos of dark matter, which is what astronomers posit causes stars far from the galactic center to move as fast as those near the center.
A group of astronomers in Germany and the Czech Republic observed three stars in a cluster near the supermassive black hole at the center of the Milky Way galaxy.
The position of the supermassive black hole at the center of our Milky Way galaxy, as well as the giant star S2, are shown (inset) in this near - infrared image from the European Southern Observatory's Very Large Telescope in Chile.
These regions, called cosmic masers, are found in areas where new stars are forming and near the centers of galaxies.
a b c d e f g h i j k l m n o p q r s t u v w x y z