Category: Space

What is interferometry?

How this clever technique can create a telescope over half the size of Earth When it comes to telescopes, the bigger the better. A larger primary mirror or objective lens (in optical telescopes) or...

Sleepless on the space station

Sleep is essential for our health, which is why NASA carefully studies each astronaut’s sleeping patterns Many people feel that at the end of a hard day there is nothing better than collapsing onto...

Life WITHOUT the sun

What sort of chaotic consequences would arise if the Sun was to disappear tomorrow? Could humanity survive? Follow this timeline to find out… Eight minutes Plunged into darkness As light travels at a finite...

Debunked: “THE EARTH IS FLAT”

By around 500 BCE most ancient Greeks believed our planet was round. For a long time before this, it was believed to be flat. It was only when we started to map the trajectory...

What would happen if the Sun disappeared?

It’s dark and cold in the Northern Hemisphere at this time of year. But what sort of chaotic consequences would arise if the Sun was to disappear altogether tomorrow? Could humanity survive? Follow this...