Exploring the moon, its origins and creaters

Uncover the mysteries of the moon's origin, craters, and composition. Learn about the Apollo moon missions and the distance between the moon and Earth.

Exploring the moon, its origins and creaters
Photo by Pedro Lastra

What is the Moon?

full moon
Photo by Mike Petrucci

The moon is a rocky, airless sphere that is approximately one-fourth the size of Earth. It has a diameter of about 3,474 kilometers (2,159 miles), making it the fifth largest moon in the solar system.

How Far is the Moon from Earth?

Moon from top of Adam's Peak  in SriLanka
Moon above the mountains / Photo by malith d karunarathne

The average distance between the moon and Earth is approximately 384,400 kilometers (238,900 miles). This distance can vary due to the moon's elliptical orbit around our planet.

How Was the Moon Formed?

different moon phases
Photo by Mark Tegethoff

The moon is estimated to have formed about 4.5 billion years ago, shortly after the formation of the solar system. Scientists believe that a Mars-sized object collided with Earth, causing debris to be ejected into space. This debris eventually came together to form the moon.

Why Does the Moon Have Craters?

Moon crater close-up
Moon Craters / Photo by NASA

The moon's surface is covered in countless craters, which are caused by meteoroid impacts over millions of years. These impact craters come in various sizes, with some large enough to be visible from Earth. The lack of weathering and erosion on the moon helps to preserve these craters.

Apollo Moon Missions

Apollo 11 moon mission
Apollo 11 moon mission / Photo by NASA

The Apollo moon missions were a series of manned spaceflights conducted by NASA between 1969 and 1972. A total of 12 astronauts had the opportunity to set foot on the moon's surface during these missions. The first person to walk on the moon was Neil Armstrong on July 20, 1969, during the Apollo 11 mission.

Exploring the moon was a monumental achievement for humanity, providing valuable scientific insights and advancing our understanding of space. The rock samples and data collected during the Apollo missions continue to contribute to ongoing research.


The moon, our celestial neighbor, is a captivating object in our night sky. From its formation to the presence of craters on its surface, to the historic Apollo missions, each aspect has brought us closer to understanding the world beyond Earth. As we continue to explore, study, and dream about the moon, we gain a deeper appreciation for the vastness and wonder of our universe.