Search results

The best time to see and photograph a planet is when it is at opposition. Find out more and check the key opposition dates for Mars, Jupiter, Saturn, Uranus and Neptune

Discover everything you need to know about the Milky Way galaxy, including what it looks like, what we see from our perspective and where Earth sits within its spiral arms

Find out how we measure time on the Red Planet, and what to expect in a Martian calendar year

Galileo pioneered the use of the telescope for observing the night sky. His discoveries undermined traditional ideas about a perfect and unchanging cosmos with the Earth at its centre

Explore the experiences and stories of LGBTQ+ people in our collections, and find out more about the Museum's role in helping communities find new spaces for expression

Who is YOUR Astronomy Photographer of the Year for 2023? Vote for your favourite image in the People's Choice Award and have your say in the world's biggest space photography competition

Watch back our live Moon viewing, where Royal Observatory astronomers took a close-up view of the lunar surface to mark 50 years since humans last went to the Moon

How did the Sun, planets and moons in the Solar System form? There is a surprising amount of debate and several strong and competing theories, but do scientists have an answer?

The National Maritime Museum is the largest venue in the Royal Museums Greenwich portfolio with a capacity of up to 1000 for standing events and 550 for gala or awards dinners or wedding receptions.