Latest Galaxies Stories
Scientists recently upgraded the Atacama Large Millimeter/submillimeter Array (ALMA) by installing an ultraprecise atomic clock at ALMA’s Array Operations Site, home to the observatory’s supercomputing correlator.
Astronomers using the NASA Fermi Gamma-ray Space Telescope to study what they thought were two different classes of black-hole-powered galaxies known as blazars now believe that they may be one and the same.
A decades-old theory used by astronomers to explain the varying appearances of supermassive black holes is being called into question in the wake of new data obtained using NASA's Wide-field Infrared Survey Explorer.
WASHINGTON, May 22, 2014 /PRNewswire-USNewswire/ -- A survey of more than 170,000 supermassive black holes, using NASA's Wide-field Infrared Survey Explorer (WISE), has astronomers reexamining
Researchers at MIT and Harvard have devised the most accurate model to date of how our universe first took shape. Dubbed Illustris, the new virtual cosmos covers the 13 billion-year evolution of the universe beginning just 12 million years after the Big Bang.
A team of scientists, led by Zheng Zheng at the University of Utah, found what they believe is the closest and one of the brightest hypervelocity stars to date.
The galaxy known as M87 has a fastball that would be the envy of any baseball pitcher. It has thrown an entire star cluster toward us at more than two million miles per hour.
A pair of supermassive black holes in orbit around one another have been spotted by XMM-Newton.
When a star orbits too close to a galaxy’s central supermassive black hole, it gets torn apart and sucked in by gravitational forces – a phenomenon known as an a tidal disruption.
Right now a doomed gas cloud is edging ever closer to the supermassive black hole at the center of our Milky Way galaxy. These black holes feed on gas and dust all the time, but astronomers rarely get to see mealtime in action.
Supermassive Black Hole -- A Supermassive black hole is a black hole with a mass in the range of millions or billions solar masses. A supermassive black hole has some interesting properties differing from his low-mass cousins: -- The average density of a supermassive black hole can be very low, and actually can be lower than water's density. This happens because the black hole diameter increases linearly with mass, and consequently density drops much faster. -- Strong tidal...