Everything you need to know about the Moon
How big is the Moon? The Moon is Earth''s only permanent natural satellite, and it''s the fifth-largest satellite in our solar system. The Moon''s diameter is approximately 2,160 miles (3,475...
How big is the Moon? The Moon is Earth''s only permanent natural satellite, and it''s the fifth-largest satellite in our solar system. The Moon''s diameter is approximately 2,160 miles (3,475...
The giant-impact theory is most widely accepted today. This proposes that the Moon formed during a collision between Earth and another small planet, about the size of Mars. The debris from this impact
The Moon makes Earth more livable, sets the rhythm of ocean tides, and keeps a record of our solar system''s history. Explore NASA lunar science here.
The first flyby images of the Moon captured by NASA''s Artemis II astronauts during their historic test flight reveal regions of the Moon''s far side, as well as an in-space solar eclipse.
Moon, Earth''s sole natural satellite and nearest celestial body. Known since prehistoric times, it is the brightest object in the sky after the Sun. Its name in English, like that of Earth, is of
Discover how Earth''s Moon was born 4.5 billion years ago when planet Theia collided with proto-Earth. Learn what lunar rocks, isotopes, and
Find the Moon''s illumination, distance, and latitude for any time on any date. The Moon has four primary and four intermediate lunar phases during a lunar month. Here''s all you need to know about each
Interactive calculator/calendar to track moon phases. Moon path, visualizations, supermoons, blue moons, moonrise/sets, sky position, and more for any location.
NASA''s Artemis II astronauts swung around the moon in their Orion spacecraft on Monday, coming within 4,067 miles of the lunar surface.
The moon is unlike anything else in the solar system. So how did our planet end up with such a special moon?
Over time, the remains of the explosion (vapor, dust, and molten rock) orbiting the Earth clumped together (accreted) to form our Moon. The Moon''s characteristics
Learn how Earth''s moon formed, how its orbit affects Earth''s tides, why solar and lunar eclipses happen and the history of lunar exploration.
Giant Impact Hypothesis: The Moon formed approximately 4.5 billion years ago as a result of a colossal collision
The giant impact theory proposes that Earth''s Moon formed when a Mars-sized object slammed into the early Earth roughly 4.5 billion years ago, blasting debris into orbit that eventually
A new simulation puts forth a different theory – the Moon may have formed immediately, in a matter of hours, when material from the Earth and
Some 4.5 billion years ago, when the solar system was still forming, a wandering Mars-sized body named Theia slammed into a fledgling, moonless Earth. Traditionally, it is thought that this...
The Moon''s origin is a long-debated scientific question, and its unique characteristics have led to the widespread acceptance of the giant
Track the moon phase today with our interactive moon phase calculator. Get details on the current moon phase and the next full moon date.
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