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How black hole jets break out of their galaxies (w/video)

A simulation of the powerful jets generated by supermassive black holes at the centres of the largest galaxies explains why some burst forth as bright beacons visible across the universe, while others fall apart and never pierce the halo of the galaxy.

Posted: Jun 18th, 2016

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Elliptical galaxies not formed by merging

Using an 'intuitive' approach, a new study confirms a recent hypothesis on the formation of galaxies, according to which the larger elliptical galaxies formed in very ancient times through a process of local (in situ) star formation. This contradicts the current paradigm that they formed through the merging of spiral galaxies.

Posted: Jun 1st, 2016

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How to tell the world you've discovered an alien civilisation

After countless fictional scenarios of humans making contact with alien civilisations, you'd think we'd be prepared for actually discovering one. But finding intelligent life beyond the Earth is clearly likely to be one of the most shattering moments in the history of our species.

Posted: May 26th, 2016

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