News tagged with optical wavelength

Black hole awakens after 26 years

On 15 June 2015, V404 Cygni (V404 Cyg), a binary system comprising a sun-like star orbiting a black hole, woke up. A huge outburst of energy across the electromagnetic spectrum 'lit up' the sky. The last such outburst was ...

dateNov 05, 2015 in Astronomy
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Image: The Argo's hidden cargo

The constellation of the great ship Argo Navis used to bob along the watery southern horizon of the Mediterranean during times of antiquity.

dateJul 20, 2015 in Astronomy
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