Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a ...

Mercury is the smallest planet in the solar system — it is only slightly larger than Earth's moon. Since it has no significant atmosphere to stop impacts, the planet is pockmarked with craters.

With a total volume little more than the Moon, it is the smallest planet in the Solar System and is situated the closest to the Sun. Mercury has no atmosphere to retain heat, meaning that the ...

Mercury is by far the smallest planet in the solar system, with only around 5.5% of both the mass and volume of Earth.Despite that diminutiveness, Mercury manages to be the second-densest planet ...

NASA also posted a detailed caption along with the image to explain more about the planet. “Slightly larger than Earth’s Moon, Mercury is the smallest planet in the solar system, and is the ...

Closest to the Sun yet, Mercury has craters that could be coldest in Solar System The images were captured by the onboard monitoring cameras, which provide black-and-white 1024 x 1024 pixel snapshots.

Mercury. Mercury is the closest planet to the Sun. It has a solid surface which is covered in craters and is the smallest planet in our Solar System measuring approximately 3,032 miles in diameter ...