Which planet is the smallest and the closest to the sun?
Understand the Problem
The question is asking which planet is not only the smallest in size but also the closest to the sun in our solar system.
Answer
Mercury
The smallest and closest planet to the sun is Mercury.
Answer for screen readers
The smallest and closest planet to the sun is Mercury.
More Information
Mercury has a diameter of about 4,879 kilometers, is the smallest planet by both mass and volume, and orbits closest to the sun.
Sources
- Mercury is the smallest planet in our solar system. | NASA - spaceplace.nasa.gov
- Smallest and Largest Planets in our Solar System | Sky and Telescope - skyandtelescope.org
- Mercury: The Sun's Closest Planetary Neighbor | Space.com - space.com
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