What is a blue moon and when will the next one occur? | Royal ...
The traditional definition of a blue moon: seasonal Which of the 13 full moons is the blue moon is up for debate. Traditionally the definition of a blue moon is the third full Moon in an …
What are the names of full moons throughout the year?
Blue moons, Harvest moons, Worm moons? Find out more about the ancient names associated with the phases of the Moon - and what they mean.
Everything you've ever wanted to know about the Moon
Everything you've ever wanted to know about the Moon The Moon is Earth’s most familiar companion, the closest astronomical object to the Earth. No other planet has a satellite as …
Why is the sky blue? | Royal Observatory
In reality, violet light has a shorter wavelength compared to blue light and therefore it’s scattered more – so why is the sky blue and why isn’t the sky violet? It’s because human eyes are …
When Is The Next full Moon? Full Moon Calendar 2025
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 is lit up by the Sun's rays.
How much does a ticket to space cost? - Royal Museums Greenwich
Dec 18, 2019 · Blue Origin Founded by Amazon’s Jeff Bezos, Blue Origin has ambitions to both launch paying travellers into space and have a lunar lander, Blue Moon, ready for 2024. The …
Night Sky Highlights - September 2025 - Royal Museums Greenwich
Aug 15, 2025 · Explore what you can see in the night sky this September, including a total lunar eclipse, the Moon passing in front of Venus, and more!
Lunar eclipse guide: When and where to see in the UK
What is a lunar eclipse? An eclipse of the Moon occurs when the Earth lies directly between the Sun and the Moon, and the Moon lies in the shadow of the Earth.
Night Sky Highlights - September 2024 - Royal Museums Greenwich
Aug 15, 2024 · Find out what to see in the September night sky, from naked-eye objects around Cassiopeia, to a partial lunar eclipse, and more.
Our Moon 2020 - Royal Museums Greenwich
See the stunning winning and shortlisted images in the Insight Investment Astronomy Photographer of the Year 2020 Our Moon category