New Discovery Challenges Dark Matter, Stellar Acceleration Models
Astronomers have discovered a hypervelocity binary star that challenges dark matter and stellar acceleration models. A team of astronomers at the Friedrich Alexander University led…
Black Hole News
Astronomers Discover a 17 Billion Solar-Mass Black Hole in an Unlikely Place
Using the Hubble Space Telescope and the Gemini Telescope in Hawaii, a team of astronomers has uncovered one of the biggest supermassive black holes in…
Gravitational Waves Could Soon be Detectable by Existing Radio Telescopes
A newly published study from the North American Nanohertz Observatory for Gravitational Waves reveals that low-frequency gravitational waves could soon be detectable by existing radio…
New Research Shows LIGO’s Twin Black Holes Might Have Been Born Inside a Single Star
Newly published research from the Harvard-Smithsonian Center for Astrophysics suggests that the burst detected by LIGO occurred because the two black holes lived and died…
New ASTRO-H Satellite to Study Black Holes and Galaxy Clusters
Set to launch on Friday, the ASTRO-H satellite will help provide breakthroughs in a wide variety of high-energy phenomena in the cosmos, ranging from the…
Chandra Observations Confirm a Counterjet from Pictor A
Astronomers have discovered a giant jet spanning continuously for over 300,000 light-years blasting out of the galaxy Pictor A. In addition to the main jet,…
Astronomers Detect Signs of an Invisible Black Hole at the Center of the Milky Way
Using the Nobeyama Radio Telescope, a team of astronomers has detected signs of an invisible black hole with a mass of 100 thousand times the…
WISE Reveals Most Luminous Galaxy W2246-0526 Is Ripping Itself Apart
New research reveals that the distant galaxy W2246-0526 is expelling tremendously turbulent gas (a phenomenon never seen before in an object of this kind) and…
XMM-Newton Reveals High-Speed Winds Around a Supermassive Black Hole
ESA’s XMM-Newton reveals that winds around a supermassive black hole located 800 million light-years from Earth are moving at 23,000–33,000 km/s, about 10% the speed…
GRAVITY Instrument Reveals a New Double Star
The first observations with the new GRAVITY probe reveal that one of the components of the Trapezium Cluster (Theta1 Orionis F) is a double star….
Chandra Reveals Supermassive Black Hole Undergoing Powerful Outbursts
Using Chandra observations, astronomers have discovered one of the nearest supermassive black holes to Earth that is currently undergoing powerful outbursts. Such outbursts are part…
Astronomers Use G1 and G2 to Probe the Accretion Flow Feeding Sgr A*
New research uses the G1 and G2 gas clouds to probe the accretion flow feeding Sgr A∗. The center of our Milky Way galaxy, about…
Hubble Image of the Week – Spiral Galaxy NGC 4845
This newly released Hubble image shows the spiral galaxy NGC 4845, which is located over 65 million light-years away in the constellation of Virgo (The…
How Large Can a Black Hole Grow? As Large as 50 Billion Solar Masses
New research from the University of Leicester reveals how large black holes can grow to. Black holes at the heart of galaxies could swell to…
Astronomers Measure Magnetic Fields at Sagittarius A*
Using the Event Horizon Telescope, astronomers have measured the magnetic fields just outside the event horizon of Sagittarius A* for the first time. Most people…
Astrophysicists Get First Glimpse of a Black Hole Eating a Star and Ejecting a High-Speed Flare
For the first time, a team of astrophysicists has witnessed a black hole swallowing a star and ejecting a flare of matter moving at nearly…
Astronomers Discover a Black Hole That Grew Much Quicker Than Its Host Galaxy
Researchers have discovered a black hole that grew much more quickly than its host galaxy. The discovery calls into question previous assumptions on the development…
Fermi Mission Reveals Hints of Gamma-Ray Cycle in Active Galaxy PG 1553+113
Using NASA’s Fermi Gamma-ray Space Telescope, a team of astronomers has discovered hints of periodic changes in brightness in blazar PG 1553+113, whose emissions are…
