Is noon 12 am or 12 pm? - Royal Museums Greenwich
WEBWell, maybe not, especially if you're using a 12-hour clock. When most people say 12pm, typically they're talking about the middle of the day: 12 noon. When they say 12am, they normally mean 12 midnight. While some people follow this convention, technically it's not quite right – as you'll see from the definition of am and pm below.
Royal Museums Greenwich | Home
WEBBook online to guarantee entry and receive updates before you visit.. Select the site or exhibition you want to visit, pick your preferred date and entry time using the booking calendar and complete your booking.Your tickets will be emailed to you as soon as you check out. To make the most of your day out and save 25% on tickets, book a Royal Museums Greenwich Day Pass and get access to both ...
RMS Titanic facts - Royal Museums Greenwich
WEB02.10, 15 April 1912: Last transmission. 02.20, 15 April 1912: Titanic foundered. 04.10, 15 April 1912: First lifeboat picked up by Carpathia. 21.25, 18 April 1912: Carpathia docked in New York. 1 September 1985: Titanic wreck site located, approx 2.5 miles below the Atlantic, by a joint French/USA expedition.
Space race timeline - Royal Museums Greenwich
WEBFeb 20, 2021 · Space race timeline. 2 August 1955: The USSR responds to the US announcement that they intend to launch the first artificial satellite into space with a satellite of their own. 4 October 1957: The USSR successfully launches Sputnik 1, the first Earth-orbiting satellite in history. 3 November 1957: The USSR successfully launches Sputnik 2 ...
What is the Prime Meridian - and why is it in Greenwich?
WEBThe Prime Meridian in Greenwich is marked by a metal line fixed into the Royal Observatory courtyard, and at night by a laser beam. The beam originates from a point above the Airy Transit Circle, the telescope used to determine the Greenwich Meridian. Depending on atmospheric conditions, the beam can be seen from more than 20 km away.
Royal Observatory - Royal Museums Greenwich
WEBWe recommend booking tickets to the Royal Observatory online in advance to guarantee entry. Tickets on the day are subject to availability. Use the booking calendar to select your visit date and entry time, then select the number of tickets you require and click 'Add to basket'. Your tickets will be sent to you by email once you've completed your booking.
Dawn, dusk and twilight | Meanings and Timings - Royal Museums …
WEBThis is when the Sun's centre is 6° below the horizon, roughly equivalent to Lighting-up time. Lighting-up time is the time in the afternoon or evening when the law states that vehicles must have their lights switched on. In the UK, it is between 30 and 60 minutes after sunset. During civil twilight, the brightest stars are visible and at sea ...
What did Galileo discover? - Royal Museums Greenwich
WEBWhat did Galileo discover? Galileo used observation and experimentation to interrogate and challenge received wisdom and traditional ideas. For him it wasn’t enough that people in authority had been saying that something was true for centuries, he wanted to test these ideas and compare them to the evidence. At the time this was quite a ...
What is Greenwich Mean Time (GMT) - and why does it matter?
WEBGreenwich Mean Time is the yearly average (or ‘mean’) of the time each day when the Sun crosses the Prime Meridian at the Royal Observatory Greenwich. 0:36. Essentially, mean time is clock time rather than solar (astronomical) time. Solar time varies throughout the year, as the time interval between the Sun crossing a set meridian line changes.
Viking ships - Royal Museums Greenwich
WEBThe Vikings built many different kinds of craft, from small fishing boats and ferries, to their famous longships. They were all made from planks of timber, usually oak, overlapped and nailed together. The ships were made watertight by filling the spaces between the planks with wool, moss or animal hair, mixed with tar or tallow. The ships were ...