Category: Space

What is the Perseid meteor shower?

Keep a look out for the annual meteor display that is hitting the sky. The Perseid meteor shower is one of amateur astronomy’s most awe-inspiring events. Every summer, from the middle of July to the end of...

The Solar System: What is a gravitational well?

How this invisible force shapes the universe While we are all familiar with gravity being the force that causes a dropped phone to clatter to the ground, Albert Einstein was the first to describe...

Science secrets of Apollo 11

Incredible feats of ingenuity made the 1969 Moon landing possible – many that you probably never knew about Fifty years ago this July, Apollo 11 carried three astronauts – commander Neil Armstrong, Command Module...

Top Tips: How to observe the moon

What can you see on the lunar surface with the naked eye or a telescope? Throughout human history, the Moon has been a fascinating target of observation. From its more mythical beginnings, we now...

Houston. We’ve had a problem

What happens when spacesuits go wrong? Alexei Leonov, 1965 After leaving the Voskhod 2 spacecraft to perform the first ever spacewalk, cosmonaut Alexei Leonov’s suit began to swell due to the pressure difference. Within...

How to detect black holes

Discover the mysterious world of black holes and the projects trying to capture them Black holes are some of the most impressive and strangest astronomical oddities in existence. But, complex as they are, it...

Top 10: Astronomical Discoveries

The revelations that not only changed the world but challenged the way we see our existence and our place in the universe 1. Gravitational waves The existence of gravitational waves was first predicted in 1916...

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...