You might think that Mars is a near-twin of Earth, but it has a diameter of about half the Earth, measuring only 6,800 km across.
Mercury is the fifth smallest planet in our solar system.
Mercury is the smallest planet closest to the sun, followed by Venus as the second smallest planet. Venus is often referred to as Earth's "sister planet" due to their similar size and composition.
Mercury is the smallest planet in our solar system and is closest in size to the Sun.
Mercury is the planet closest to the Sun in terms of size. It is the smallest planet in our solar system, with a diameter of about 4,880 kilometers (3,032 miles).
Pluto is about half the size of Mercury, which is the smallest "true" planet.
Mercury is the fifth smallest planet in our solar system.
It is only an average size planet. The smallest planet is Pluto, and the largest planet is Jupiter.
The smallest planet is Mercury. Mercury's diameter is 4,879 km- Earth's is 12,756.
Mars.
Mercury is the smallest planet closest to the sun, followed by Venus as the second smallest planet. Venus is often referred to as Earth's "sister planet" due to their similar size and composition.
Neptune is the 5th smallest planer of the Solar System.
Mercury is the smallest planet in our solar system. Pluto might have been the smallest planet, but it has now been reclassified as a "dwarf planet." The smallest planet in our solar system now is Mercury. There might well be billions of smaller planets outside for solar system. The smallest exoplanet found so far is about twice the size of the Earth.
It is the smallest.
Mercury is the planet that is one quarter the size of Earth and has no moons. It is the smallest planet in our solar system and is the closest planet to the Sun.
Mercury is the planet that is roughly a quarter of the size of Earth. With a diameter of about 4,880 kilometers, Mercury is the smallest planet in our solar system.
Mercury is the smallest planet in our solar system and is closest in size to the Sun.
Planets from smallest to largest: Mercury Mars Venus Earth Neptune Uranus Saturn Jupiter Mercury is the smallest planet Jupiter is the largest planet