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astrophysics, cosmology, the universe...

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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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Scientist suggests possible link between primordial black holes and dark matter

An intriguing alternative view is that dark matter is made of black holes formed during the first second of our universe's existence, known as primordial black holes. A scientist suggests that this interpretation aligns with our knowledge of cosmic infrared and X-ray background glows and may explain the unexpectedly high masses of merging black holes detected last year.

Posted: May 25th, 2016

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Footprints of baby planets in a gas disk

A new analysis of the ALMA data for a young star HL Tauri provides yet more firm evidence of baby planets around the star. Researchers uncovered two gaps in the gas disk around HL Tauri.

Posted: May 25th, 2016

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Astronomers detect precious element in space

Astronomers have detected a rare gas 4000 light years away from Earth. The discovery, made using the largest antenna of NASA's Madrid Deep Space Communication Complex, could help scientists to understand more about the history of this important element.

Posted: May 13th, 2016

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Planet Nine: A world that shouldn't exist

Earlier this year scientists presented evidence for Planet Nine, a Neptune-mass planet in an elliptical orbit 10 times farther from our Sun than Pluto. Since then theorists have puzzled over how this planet could end up in such a distant orbit.

Posted: May 3rd, 2016

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