Mercury

Mercury is the smallest planet in our solar system, closest to the sun and the largest. It is very similar in size to the earth's moon, in fact it has a similar size with hundreds of craters. Has an atmosphere similar to the earth but this changes depending on the distance from the sun.

Mercury has no moons or rings. Its daytime temperature is 459 degrees Celsius and -170 degrees Celsius at night and at some points on the surface "it dawns twice".