News tagged with observations

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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Black hole wakes up and has a light snack

( —Astronomers have watched as a black hole woke up from a decades-long slumber to feed on a low-mass object – either a brown dwarf or a giant planet – that strayed too close. A similar feeding event, albeit ...

dateApr 02, 2013 in Astronomy
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Deserts 'greening' from rising CO2

Increased levels of carbon dioxide (CO2) have helped boost green foliage across the world's arid regions over the past 30 years through a process called CO2 fertilisation, according to CSIRO research.

dateJul 03, 2013 in Environment
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Astronomers discover new kind of supernova

( —Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new type of supernova ...

dateMar 26, 2013 in Astronomy
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