News tagged with university

A new technique to gauge the distant universe

Scientists have developed a technique to use quasars – powerful sources driven by supermassive black holes at the centre of galaxies – to study the universe's history and composition. To demonstrate the new method, based ...

dateDec 04, 2015 in Astronomy
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Why is the night sky black?

It sounds obvious. That's what night is. The sun has set and when you look up at the sky, it's black. Except where there's a star, of course. The stars are bright and shiny.

dateDec 02, 2015 in Astronomy
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