Astronomy Facts & Trivia

GanymedeThe largest moon in the Solar System – Jupiter's Ganymede – is even bigger than planet Mercury. Submitted by: Ballard - Charleston, South Carolina, United States
The SunAfter helium and hydrogen, the most common element on the Sun is oxygen. Submitted by: Nusrat Islam - Orlando, Florida, United States
Boomerang NebulaBoomerang Nebula is the coldest known place in the universe. Submitted by: Jessie
Earth and MoonThe Moon is moving away from the Earth 3.8 cm every year. Submitted by: Unknown
PlutoThe entire surface area of Pluto is smaller than Russia. Submitted by: Wally D Albia - Quezon City Manila, Philippines
three golf balls on the MoonThere are three golf balls on the Moon (left by Apollo 14 astronaut Alan Shepard in 1971.) Submitted by: Eh - Canada
NeptuneWith the strongest winds, Neptune is the windiest planet in the Solar System. Submitted by: Unknown
Westerlund 1-26The largest known star – Westerlund 1-26 – is 2000 times bigger than the Sun. Submitted by: Andrew Loloy - Taguig, Philippines
Dark matter95% of all matter in the universe is invisible, and is called the Dark Matter. Submitted by: Unknown - Panabo City, Philippines
SunThe Sun is growing: In 5 billion years it will be 250 times bigger and close enough to swallow up the Earth. Submitted by: Refath - New York, United States
Proxima CentauriProxima Centauri is the nearest star to us after the Sun. Submitted by: Joshua - Canada
Epsilon AurigaeThe star Epsilon Aurigae dims every 27 years due to a mysterious dark object eclipsing it periodically. Submitted by: Ddsqaw
Great Red SpotThe 'Great Red Spot' - a storm on Jupiter that has been going on for 300 years - is so big that dozens of Earths would fit into it. Submitted by: Steady - Malmö, Sweden
BlackholeA supermassive blackhole is believed to be present in the centre of nearly every galaxy, including our own Milky Way. Submitted by: Mansi Kookani - Dubai, United Arab Emirates
Mercury Dawn DuskOn Mercury during the day, the Sun rises, stops, about-turns and eventually sets where it rose. Submitted by: Hyde - Toronto, Ontario, Canada
Galaxies Everything moves: Planets move within the Solar System, which moves within Milky Way Galaxy, which moves within The Local Group of Galaxies, which moves towards Virgo Cluster. Submitted by: Nathan Otoo - United States
venus Venus and Uranus are the only planets that rotate clockwise (retrograde rotation.) Submitted by: Yvonna May
Uranus All 27 of Uranus moons are named after William Shakespeare and Alexander Pope characters. Submitted by: Jacob Richard - Tempe, Arizona, United States
planet jupiter With 63 moons, Jupiter has the largest number of moons. Submitted by: Moi - Toronto, Ontario, Canada
jupiter, saturn, uranus and neptuneJupiter, Saturn, Uranus and Neptune are made up of just gas with no solid surface to land on. Submitted by: Angel - United States