Closure of Great Equatorial Dome and Time for Navy Gallery

The Great Equatorial Dome and the Time for Navy Gallery will be closed between 11:30am and 3.45pm on Tuesdays, Wednesdays and Thursdays from 25 July to 24 August for Daytime sky watch sessions 

Planetarium closures

Visiting the planetarium? Our planetarium is open daily, 10am-5pm. It is closed for maintenance on the first Tuesday of every month from September 2017. See what's on and choose your next space adventure

Read our blog to get the lowdown from our experts and go behind the scenes at Royal Museums Greenwich.

29 September 2014
The simplest solution to the problem of longitude was one of time difference. You can determine how far east or west you are of a given location if you know the difference...
18 September 2014
Longitude Solutions When Isaac Newton testified to a Committee of the House of Commons in 1714 about four potential longitude solutions, he pointed out that there were key...
11 September 2014
One of the truly special objects on display in the Ships, Clocks & Stars exhibition is the Longitude Act of 1714 itself. The actual act, on loan to us from the...
9 September 2014
‘Can you actually be ‘on holiday’ if you’re going on a cruise and you work at a maritime museum?’ asked one person when I explained that this summer, for my holiday, I would...
5 September 2014
This week's guest post is from Isabel Rogers, whose poem John's Curious Machines won the Cardiff Poetry Prize in July 2014. Below she shares what it was about John Harrison's...
29 August 2014
If you’ve been to Ships, Clocks and Stars already you’ll have quickly noted that the story of longitude isn’t just about scientific instruments. It’s also about lots of...
19 August 2014
The Art & Science of Exploration 1768-80 exhibition (now closed) focused on the art from Captain Cook's three voyages, on which he also tested the two main longitude...
13 August 2014
On Saturday 30 August I will be leading a walking tour to explore the many London-focused aspects of the longitude story. The aim is to share some of what is displayed in the...
5 August 2014
The day began with an uncanny text message from my Mum: ‘what’s the postcode for the museum? I need it for the satnav.’  Using a satnav to find your way to a GPS-enabled...
30 July 2014
Daniel Lange, who is studying for a PhD on 17th-century piracy, has been looking into the story behind a book of maps captured in the 1680s.

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