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NuSTAR’s first five years in space

16 June 2017 Astronomy Now

The chief scientist on NASA’s NuSTAR mission shares her take on five of the X-ray telescope’s iconic images and artist concepts, ranging from our flaring Sun to distant, buried black holes.

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Astronomers pursue renegade supermassive black hole

12 May 2017 Astronomy Now

Supermassive holes are generally stationary objects, sitting at the centers of most galaxies. However, using data from NASA’s Chandra X-ray Observatory and other telescopes, astronomers recently hunted down what could be a supermassive black hole that may be on the move.

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Merging galaxies have enshrouded black holes

10 May 2017 Astronomy Now

Black holes get a bad rap in popular culture for swallowing everything in their environments. In reality, stars, gas and dust can orbit black holes for long periods of time, until a major disruption pushes the material in.

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Is dark matter “fuzzy”?

2 May 2017 Astronomy Now

Astronomers have used data from NASA’s Chandra X-ray Observatory to study the properties of dark matter, the mysterious, invisible substance that makes up a majority of matter in the universe. The study, which involves 13 galaxy clusters, explores the possibility that dark matter may be more “fuzzy” than “cold,” perhaps even adding to the complexity surrounding this cosmic conundrum.

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Mysterious cosmic explosion puzzles astronomers

3 April 2017 Astronomy Now

A mysterious flash of X-rays has been discovered by NASA’s Chandra X-ray Observatory in the deepest X-ray image ever obtained. This source likely comes from some sort of destructive event, but may be of a variety that scientists have never seen before.

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Andromeda’s bright X-ray mystery solved by NuSTAR

24 March 2017 Astronomy Now

The Milky Way’s closest neighbor, Andromeda, features a dominant source of high-energy X-ray emission, but its identity was mysterious until now. As reported in a new study, NASA’s NuSTAR mission has pinpointed an object responsible for this high-energy radiation.