Astronomy

Astronomy is the science of everything beyond Earth: the Moon, the Sun, planets, stars, galaxies and the vast dark gaps in between. Stargazing is the part you can do in a field, looking up with your eyes, binoculars or a telescope to find and identify what's out there. It's one of the oldest sciences there is, and it still makes most people feel wonderfully small.

Start with the Moon. Through a telescope its craters and mountains leap out in sharp detail, especially along the line between light and shadow.

When they're above the horizon, the planets steal the show. Jupiter often appears with its larger moons lined up beside it like tiny beads, and Saturn's rings are the moment most people say a word they didn't plan to.

Then there's deep space. On a dark night you can see the hazy band of the Milky Way, our own galaxy, seen edge-on from the inside. Point a telescope at the right spot and faint smudges turn out to be entire galaxies, each with billions of stars.

Refractors use lenses to gather light and look like the classic long tube. Reflectors use curved mirrors, which makes big, light-hungry telescopes easier to build. Many modern telescopes sit on computer-controlled mounts that find a chosen object at the touch of a button and track it as the Earth turns. Less fiddling, more looking.

You're in for a treat. There's nothing to learn in advance, as your Activity Leader points things out and helps you find them at the eyepiece. Once your eyes adjust to the dark, far more stars appear, so put the phone away and give them time. You might catch a shooting star, which is a speck of space dust burning up in our atmosphere. Wishes are, as ever, your own business.

Something warm, even on a summer night, as it cools quickly once the sun goes down. Bring a torch for the walk there and back, and keep it pointed at the ground near the telescopes so nobody loses their night vision.

You might also like Space Science, Drone Flying and Solar Light Science.

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