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.

24 October 2014
Yesterday evening, we celebrated 18th century coffeehouse culture in our event The Virtue of Coffee. In attendance was Piers Alexander, author of The Bitter Trade, a novel...
23 October 2014
On 13 November, we'll be taking an irreverent tour of Georgian London in our Clocking Off LATE, in association with Time Out. As well as our LATE regulars such as Curators on...
22 October 2014
The anniversaries of several important naval events take place in late October. Today, 22 October, is the anniversary of one of the British Navy’s greatest tragedies – the...
21 October 2014
Some ideas for finding longitude at sea did not rely on time. One of them was to use patterns in the Earth’s magnetic field, but these needed to be mapped for practical use....
17 October 2014
In anticipation of a new book on Nevil Maskelyne, Amy Miller, Curator of Decorative Arts and Material Culture at Royal Museums Greenwich, tells us about a pair of miniatures...
16 October 2014
There were many proposed solutions to the Longitude problem, as discussed in Ships, Clocks & Stars. One of the main contenders was using Jupiter's Moons as a celestial...
13 October 2014
One of my favourite parts of Ships, Clocks & Stars: The Quest for Longitude exhibition is the evocation of an 18th-century coffeehouse. You can hear longitude enthusiasts...
6 October 2014
Despite the amount that we've managed to pack into Ships, Clocks and Stars, there are of course many stories and connections that we haven't been able to include. I was...
6 October 2014

If you don’t have an accurate clock to tell the time with, you can use a celestial one-like the moon.

2 October 2014
We've had one poetic contribution on this blog recently with Isabel Rogers' post about her award-winning poem, 'John's Curious Machines'. As it's National Poetry Day today, I...

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