Astronomers spy quartet of cavities from giant black holes

Scientists have found four enormous cavities, or bubbles, at the center of a galaxy cluster using NASA's Chandra X-ray Observatory. This unusual set of features may have been caused by eruptions from two supermassive black ...

KPD 0005+5106: Roasted and shredded by a stellar sidekick

An exhausted star still has some punches to deliver. Astronomers have found that a white dwarf is pummeling a companion object—either a lightweight star or a planet—with incessant blasts of heat and radiation plus a relentless ...

G344.7-0.1: When a stable star explodes

White dwarfs are among the most stable of stars. Left on their own, these stars that have exhausted most of their nuclear fuel—while still typically as massive as the Sun—and shrunk to a relatively small size can last ...

Chandra resumes science operations

NASA's Chandra X-ray Observatory has successfully resumed observations after recovery from a problem involving one of its science instruments, the Low Energy Transmission Grating (LETG). The LETG is used to measure the intensity ...

V404 Cygni: Huge rings around a black hole

This image features a spectacular set of rings around a black hole, captured using NASA's Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The X-ray images of the giant rings reveal information about dust located ...

Abell 1775: Chandra catches slingshot during collision

When the titans of space—galaxy clusters—collide, extraordinary things can happen. A new study using NASA's Chandra X-ray Observatory examines the repercussions after two galaxy clusters clashed.

Magnetized threads weave spectacular galactic tapestry

Threads of superheated gas and magnetic fields are weaving a tapestry of energy at the center of the Milky Way galaxy. A new image of this new cosmic masterpiece was made using a giant mosaic of data from NASA's Chandra X-ray ...

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