Colin Stuart

Colin Stuart

Contributor

Colin Stuart is an award-winning astronomy author, speaker and tutor based in the U.K. His popular science books have sold more than 400,000 copies worldwide and have been translated into 21 languages, and he has written more than 200 popular science articles for publications including The Guardian, the Wall Street Journal and the European Space Agency. The asteroid (15347) Colinstuart is named after him and he runs an online Astrophysics for Beginners course and a science writing course.

Latest articles by Colin Stuart

A photo of the moon in its First Quarter phase

What is the moon phase today?

By Colin Stuart last updated

Reference A look at the phases of the moon, from new moon to full moon, including's tonight's lunar phase.

Reference
The Hubble Space Telescope captured this infrared image of the Pillars of Creation in the Eagle Nebula. The light from young stars being formed can be seen piercing the clouds of dust and gas.

How long do stars live?

By Colin Stuart last updated

Stars are born amid turbulent clouds, and their deaths can be just as explosive. But how long do stars live? It depends on the size of the star.

Astronomy
the antennas of the Atacama Large Millimeter/submillimeter Array (ALMA), set against the splendour of the Milky Way

Why do stars twinkle?

By Colin Stuart published

Stars appear to twinkle because the light from these distant objects passes through wobbly air in the atmosphere.

Astronomy
A lunar eclipse seen on May 26, 2021 in Auckland, New Zealand.

What is a lunar eclipse?

By Colin Stuart published

Reference Lunar eclipses occur when the moon falls into Earth's shadow, creating a blood moon, and can be total, partial or penumbral. Here's when one will happen next.

Reference
Do we have to kill off the theory of space and time to make sense of the universe?

Was Einstein wrong? Why some astrophysicists are questioning the theory of space-time

By Colin Stuart, All About Space magazine published

To better understand the universe, we may need to kill off one of the most important theories of all time.

Physics & Mathematics