BBC Sky at Night Magazine - March 2022

Astronomy Photographer of the Year

Supported by Liberty Specialty Markets, The world-class competition returns in 2023, seeking the best astronomy image of the past year

O&A WITH A PLANETARY SCIENTIST

The materials that form the building blocks of life on Earth have been found in distant planet-forming discs that are the same size as the Solar System

ASTROPHOTOGRAPHY PROCESSING

Reduce star trailing in your astro images, An easy processing tip to remedy stretched and unsharp stars

Bring out the colours of stars

From reds to yellows to blues, here's how to reveal the subtle tones of stars in your images

Build a zero-magnification finder

Make an illuminated aiming device you can use on any telescope

The Columbia Space Shuttle disaster

Twenty years on, Amy Arthur looks back at fateful flight STS-107

The man who put the Sun at the CENTRE OF THE UNIVERSE

This month marks 550 years since the birth of Nicolaus Copernicus. Emily Winterburn explores his life and legacy

OBSERVING VARIABLE STARS

Pete Lawrence is your guide to viewing variable stars so you can record their changes in brightness

Expansion and gravity

Though the Universe is expanding, gravity helps keep it together

Does the Universe expand faster than light?

Govert Schilling continues to explain cosmology's confusing concepts In part 2 of our series