Pluto has a moderately eccentric and inclined orbit, ranging from 30 to 49 astronomical units (4.5 to 7.3 billion kilometres; 2.8 to 4.6 billion miles) from the Sun. Light from the Sun takes 5.5 …

Mar 18, 2016 · New Horizons found that the dwarf planet is bigger than previously thought, but Pluto is still tiny — about two-thirds as big as Earth's moon.

Sep 28, 2025 · Pluto’s diameter, 2,370 km (1,473 miles), is less than half that of Mercury (4,880 km [3,032 miles]) and only about two-thirds the size of Earth’s Moon (3,474 km [2,159 miles].

Apr 22, 2025 · Pluto is about 1/5th the width of Earth. From an average distance of about 3.7 billion miles (5.9 billion kilometers), Pluto is about 39 times farther away than the Earth is from …

Sep 8, 2025 · The space probe discovered that Pluto has a diameter of 2,370 kilometers (1,473 miles). Despite its comparatively modest size, Pluto is the largest known object in the Solar …

Pluto is known as a dwarf planet, which means it's a lot smaller than planets like Earth, Mars, or Jupiter. To give you an idea of just how small Pluto is, let's do a size comparison. Pluto has a …

Pluto has 66% of the diameter of the Earth’s moon and 18% of its mass. While it is now confirmed that Pluto is the largest dwarf planet for around 10 years it was thought that this was Eris.

Sep 28, 2025 · Pluto, large, distant member of the solar system that formerly was regarded as the outermost and smallest planet. In 2006 a group of experts in the scientific community voted to …

Jul 13, 2015 · NASA’s New Horizons mission has answered one of the most basic questions about Pluto—its size. Mission scientists have found Pluto to be 1,473 miles (2,370 kilometers) …

Mar 27, 2025 · Pluto has a diameter of 2,253 kilometers (1,400 miles), making it smaller than Earth’s moon. The discovery of Eris in 2005 challenged Pluto’s planetary status.