Mercury is the innermost and smallest planet in the MISC@1 , LOCATION@1 was once considered the smallest , but , as of NUMBER@1 , it is classified as a dwarf planet .

Mercury is the planet that is closest to the Sun and also the smallest planet in the MISC@1 , LOCATION@1 was once thought to be the smallest , but , as of NUMBER@1 , LOCATION@1 is now known as a dwarf planet .
