Meteor shower calendar 2024 and 2025 | Royal Observatory
Jul 30, 2020 · Shower Name : Date of Maximum : Normal Limits : Possible hourly rate : Description : Quadrantids : 3-4 January : 28 Dec-12 Jan : 110 : Bluish- or yellowish-white meteors with fine trains
Who were Henry VIII's wives? - Royal Museums Greenwich
Henry VIII (1509-1547) is one of history’s most famous monarchs. His radical political and religious upheavals reshaped the Tudor world. He is best known for his six marriages and his life-long pursuit of a male heir.
Dawn, dusk and twilight | Meanings and Timings - Royal Museums …
The published times of sunrise and sunset refer to the moment when the Sun's upper limb, as affected by refraction, is on the true horizon of an observer at sea-level.. This occurs when the Sun's centre is 50 arcminutes below the true horizon, the upper limb then being 34 arcminutes (just more than the Sun's apparent diameter) below the true horizon.
What causes the Northern Lights? - Royal Museums Greenwich
The aurora can be seen near the poles of both the northern and southern hemisphere. In the north the display is known as the aurora borealis; in the south it is called the aurora australis.
What is the Prime Meridian - and why is it in Greenwich?
What are latitude and longitude? To pinpoint exactly where you are in the world, you need to know both your latitude and longitude. Latitude is a calculation of how far north or south you are from a common reference line.Longitude is how far east or west you are.. Latitude is (relatively) easy; the equator runs around the middle of Earth, dividing the northern and southern hemispheres.
Space race timeline - Royal Museums Greenwich
Feb 20, 2021 · 14 July 1965: The US satellite, Mariner 4, performs the first successful voyage to the planet Mars, returning the first close-up images of the Martian surface. 1967: This year proves the most deadly of the space race for both the US and Soviet Union. In January, American astronauts Ed White, Gus Grissom, and Roger Chaffee die when a fire ignited in their Apollo 1 …
What did Galileo discover? - Royal Museums Greenwich
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. Galileo was born in Pisa, Italy on 15 February 1564 (Julian calendar; 26 February 1564 by our modern day Gregorian ...
When Is The Next full Moon? Full Moon Calendar 2025
Want more? Meet real astronomers and learn more about all the moons in our Solar System at the Royal Observatory's Moons Beyond Counting planetarium show. A full Moon is when the Moon appears as a complete circle in the sky. We see it as a circle because the whole side of the Moon facing the Earth ...
When is the winter solstice? - Royal Museums Greenwich
The actual moment of the solstice in 2024 will occur at 9.21am GMT in the UK, but most people concentrate on the whole solstice day, which has been recognised by holidays and festivals in many cultures around the world.. The shortest day lasts 7 hours 49 minutes and 42 seconds in London.This means that the length of the day during the winter solstice is 8 hours, 49 minutes …
The history of the transatlantic slave trade - Royal Museums …
Ivory, gold and other trade resources attracted Europeans to West Africa. As demand for cheap labour to work on plantations in the Americas grew, people enslaved in West Africa became the most valuable ‘commodity’ for European traders. Slavery existed in Africa before Europeans arrived. However ...