Space · Topic 70 of 119
Mercury's Craters
⭐ MasteredMercury is covered in craters caused by impacts from asteroids and comets. With no thick atmosphere to protect it, the surface has changed very little for billions of years.
💡 Fun fact
Mercury is the smallest planet in the Solar System, about one and a half times as wide as Earth's Moon.
All about Mercury's Craters
Mercury is covered in craters caused by impacts from asteroids and comets. Because it has almost no atmosphere to slow things down, the surface has been hit many times. The surface has changed very little for billions of years.
Mercury is the smallest planet in the Solar System and orbits closest to the Sun. Its surface temperatures swing dramatically between day and night. Spacecraft have mapped its craters and features in great detail.
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