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black holes

This illustration shows the orbits of stars very close to Sagittarius A*, a supermassive black hole at the heart of the Milky Way.

Zombie Stars in the Milky Way Eat Their Neighbors to Stay Young

Categories Physics & Mathematics, Space

Spiral galaxy

Distilling a Galaxy

Categories Bloggers, Space

This artist’s illustration depicts the “tidal disruption event” (TDE) called ASASSN-14li, which is the focus of the latest study. As a star approached too closely to the supermassive black hole at the system, the strong gravity tore the star apart. This artist’s impression depicts the aftermath of this destruction. After the star was ripped apart, some of its gas (red) was left orbiting around and falling into the black hole. A portion of the gas was driven away in a wind (blue). Image credit: NASA/CXC/University of Michigan/J. Miller et al; Illustration: NASA/CXC/M.Weiss

A giant black hole destroys a massive star

Categories Physics & Mathematics, Space

Artist's depiction of microquasar event captured by FAST Telescope.

Astronomers reveal new features of galactic black holes

Categories Physics & Mathematics, Space

Alessandra Corsi, via Texas Tech

In search of electromagnetic counterparts of gravitational waves

Categories Physics & Mathematics, Space

This artist’s concept shows stars, black holes, and nebula laid over a grid representing the fabric of space-time. Ripples in this fabric are called gravitational waves. The NANOGrav collaboration detected evidence of gravitational waves created by black holes billions of times the mass of the Sun. Credit: NANOGrav collaboration; Aurore Simonet

15 Years of Radio Data Reveals Evidence of Space-Time Murmur

Categories Physics & Mathematics, Space

This deep galaxy field from Webb’s NIRCam (Near-Infrared Camera) shows an arrangement of 10 distant galaxies marked by eight white circles in a diagonal, thread-like line. (Two of the circles contain more than one galaxy.) This 3 million light-year-long filament is anchored by a very distant and luminous quasar – a galaxy with an active, supermassive black hole at its core. The quasar, called J0305-3150, appears in the middle of the cluster of three circles on the right side of the image. Its brightness outshines its host galaxy. The 10 marked galaxies existed just 830 million years after the big bang. The team believes the filament will eventually evolve into a massive cluster of galaxies.

NASA’s Webb identifies the earliest strands of the cosmic web

Categories Physics & Mathematics, Space

A 31.5 solar-mass black hole with an 8.38 solar-mass black hole companion viewed in front of its (computer generated) stellar nursery prior to merging.

Unveiling the origins of merging black holes in galaxies like our own

Categories Physics & Mathematics, Space

Artist's concept of a collection of pulsars that detect gravitational waves from pairs of orbiting supermassive black holes.

Scientists find evidence for slow-rolling sea of gravitational waves

Categories Physics & Mathematics, Space

The afterglow of the Brightest of All Time gamma-ray burst, captured by the Neil Gehrels Swift Observatory’s X-Ray Telescope. Credit: NASA/Swift/A. Beardmore (University of Leicester)

Unprecedented Cosmic Blast Stuns Scientists with Unusual Brilliance and Enigmatic Afterglow

Categories Physics & Mathematics, Space

A Hubble Space Telescope image of the globular star cluster, Messier 4. The cluster is a dense collection of several hundred thousand stars. Astronomers suspect that an intermediate-mass black hole, weighing as much as 800 times the mass of our Sun, is lurking, unseen, at its core. Credits: ESA/Hubble, NASA

NASA’s Hubble hunts for intermediate-sized black hole close to home

Categories Physics & Mathematics, Space

This artist's concept shows the brilliant glare of two quasars residing in the cores of two galaxies that are in the chaotic process of merging. The gravitational tug-of-war between the two galaxies ignites a firestorm of star birth.

Hubble Spots Rare Cosmic Twins: Double Quasars Caught Playing in the Early Universe

Categories Physics & Mathematics, Space

New image of M87 supermassive black hole generated by the PRIMO algorithm using 2017 EHT data

A sharper look at the M87 black hole

Categories Physics & Mathematics, Space

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