Measure the sun’s diameter

Supermoons, micromoons and all the in-between Moons occur because the Moon’s orbit around Earth (or, more accurately, around the Earth–Moon barycentre) isn’t circular but elliptical. This means the Mo

Create glowing pinpoints of light that bounce off your walls after dark with these elegant asymmetric lumières

Note The Tree Topper is made up of five individual squares. These are knitted flat and then folded and seamed together to create an origami star shape. Cast on 28 sts using 4mm needles. Rows 1 to 56 K

The beauty of sky gazing is how simple and adaptable it is. Begin whenever you have some time outside or near a window where you can see the sky, even if it’s just a patch. When you feel emotionally overloaded or flat, try it for a few minutes at a time.

In the 17th century, the great maritime nations were vying to solve a puzzle that had confounded philosophers for many centuries: how to determine exact positions on the Earth’s surface. And in Britai

As the latest solar cycle reached its peak, many amateur imagers took their first solar snaps, capturing fascinating and dynamic activity on the Sun’s surface. One popular method is to use a solar hyd