Leaving The Universe Behind

If the known universe was spherical would it be possible to move outside of it the same way a rocket can leave the Earth? Justin, New Zealand Oh that's an interesting question. Could it be possible...

A ‘Van Gogh View’ Of The Polaris Flare

Space images can often be breathtaking and the night sky has often inspired artists to produce incredible masterpieces. Sometimes even the way astronomers represent data can be both scientifically and artistically stunning. Case in point...

A Ghostly Cradle Of Stars

If you wonder where we came from and how we got here, there's a step we are quite confident on. About 5 billions of years ago, before the Sun shone a single ray all...

A Galaxy Interaction That Deceives The Eyes

This NASA/ESA Hubble Space Telescope photograph is one of my favourite images of interacting galaxies, but it's actually a bit of a cheat. The galaxies are not interacting at all. The galaxies are simply in...

Mergers in G-Major

There has been a surprising affinity between astronomy and music. Both needed the inspiration of the muses to be performed in Ancient Greece, and expressions like the Music of the Spheres just shows the...
Credit: Wikicommon

Will Earth be sucked in by the Black Hole at the centre of the...

Is the supermassive black hole at the centre of the Milky Way going to eat the Earth? Ross, UK No, the Earth is not in any danger from the supermassive black hole (SMBH) at the centre...

More On Gravitational Waves

In a previous post, we discussed the groundbreaking discovery of gravitational waves and it's importance for science as a whole. Now LIGO has observed another detection, and it has the incredible feature of being the...

What Would Being In Space Without A Suit Be Like?

Spacesuits are a fundamental tool for keeping astronauts safe in space, but the protection they supply is often mistaken, exaggerated or romanticised in science fiction.   Spacesuits are garments worn by astronauts to survive the...

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