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A spliced, three-part image features: a tray of oysters on the left, a graphical representation of a black hole and a neutron star orbiting each other in the centre, and a graphical image of a robot on the right.
12 m
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Computing
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3 things you should know about acidification, gravitational waves, and humanoids

Profile picture for user Renée-Claude Goulet
Sep 14, 2021
For the September edition, our experts wrote about why ocean acidification is posing problems for shellfish, how researchers used gravitational waves to observe a black hole and neutron star orbiting each other and merging, and what the future could look like — with humanoids in our midst.
Chandra X-ray observatory took this image of galaxy NGC 4696
4 m
Article
Space
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An Erupting Black Hole in a Large Elliptical Galaxy

Profile picture for user Jesse Rogerson
Apr 21, 2017
A super massive black hole lurks at the centre of most galaxies. This fact alone indicates that black holes and galaxies must somehow co-evolve, each shepherding the others growth and function. But how do black holes and their host galaxies physically act on each other? In some recent work done using the Chandra X-ray Observatory, astrophysicists have found evidence of massive periodic jets shooting out from the centre of galaxy NGC 4696 (the 4696th galaxy in the New General Catalogue). Every 5