Drop by and chat with the Royal Observatory Explainers as they bring science and astronomy to life

About

Drop by and chat with the Royal Observatory Explainers as they bring science and astronomy to life.

Get hands-on with a telescope and discover fascinating facts about the Universe at the Royal Observatory Greenwich!

Every weekend the space-tastic team of Observatory Explainers will be around the site, delivering live science demonstrations and astronomy sessions for all ages.

All activities are included with entry to the Royal Observatory, and you can drop in any time that sessions are running. The Young Astronomers workshop is also open to anyone with Planetarium show tickets

Whether you're searching for answers about life in the Universe or are just curious about what it's like to look through a telescope, head to the Royal Observatory this summer.

* Suitable for all ages unless specified.

Book Tickets

Guide Prices

Ticket TypeTicket Tariff
Adult from£24.00 per ticket
Child (Ages 4-15) from£12.00 per ticket
Child (Under 4)Free
Student / Under 25s from£18.00 per ticket

* Admission included with Royal Observatory ticket.

Book Tickets Online

Facilities

Booking & Payment Details

  • Credit cards accepted (no fee)

Children

  • Children welcome

TripAdvisor

Map & Directions

Observatory Unlocked

Type:Children's Activity Event

Royal Observatory, Blackheath Avenue, Greenwich, London, SE10 8XJ
Close window

Call direct on:

Tel+44 (0)20 8312 6608

Opening Times

Observatory Unlocked (4 Oct 2025 - 26 Oct 2025)
DayTimes
Saturday - Sunday11:00 - 14:30

* See website for programme schedule

Awards

  • Other AwardsVisit Greenwich Partner Visit Greenwich Partner 2021

What's Nearby

  1. The Royal Observatory Greenwich is home of Greenwich Mean Time (GMT) and the Prime…

    0 miles away
  2. Greenwich Park has a rich history that dates back to Roman times and s an amazing mix of…

    0.13 miles away
  3. The Queen’s House is home to an internationally renowned art collection, Inigo Jones’…

    0.26 miles away
  4. Explore the Ocean Court at the National Maritime Museum.

    0.28 miles away
  1. The National Maritime Museum holds the world’s largest maritime collection telling…

    0.3 miles away
  2. Bring your little ones to National Maritime Museum to steer a ship, fire a cannon and…

    0.3 miles away
  3. AHOY! Children's Gallery at National Maritime Museum is a fun-filled children’s gallery…

    0.3 miles away
  4. Greenwich’s Fan Museum is the only museum in the UK devoted to the history of fans and…

    0.3 miles away
  5. Greenwich Theatre is one of London’s foremost Off-West End theatres, working on a local,…

    0.3 miles away
  6. Ranger’s House is an elegant Georgian villa on the boundary of Greenwich Park and…

    0.31 miles away
  7. University of Greenwich Galleries consists of three exhibition spaces on the Greenwich…

    0.35 miles away
  8. St Alfege is the Anglican parish church in the centre of Greenwich. There has been a…

    0.4 miles away
  9. Sir Christopher Wren's riverside masterpiece: a British landmark encompassing some of the…

    0.42 miles away
  10. Cutty Sark is the last surviving tea clipper and the fastest ship of its time. Now an…

    0.48 miles away
  11. This charming riverside park holds the modern day view of Greenwich featured in…

    0.7 miles away
  12. East Greenwich Pleasaunce is one of Greenwich's Green Flag Award-winning sites located in…

    0.85 miles away
Previous Next

Related

Royal Observatory GreenwichRoyal Observatory Greenwich, GreenwichThe Royal Observatory Greenwich is home of Greenwich Mean Time (GMT) and the Prime Meridian and one of the most important historic scientific sites in the world.

Recently Viewed

  1. Captivate

    Type

    Exhibition

    Captivate Spatial Modelling Research Group is making synthetic compositions of the entire Maritime…

  2. Woolwich Works: End of Term Party

    Type

    Christmas Event

    The last week work for most of us, and Woolwich Works thinks you deserve a night to kick back and…

  3. Live at the Works with Tom Davis

    Type

    Comedy

    South London’s biggest comedy night brings a huge night of laughs to Woolwich.

    The star of…

  4. Enchanted Eltham Palace

    Type

    Christmas - Family

    * Sorry, this event has passed *

    Gather your friends and family to banish the dark winter…