What size is Mercury in the Solar System?

Mercury’s diameter is 3,030 miles (4,878 km), comparable to the size of the continental United States. This makes it about two-fifths the size of Earth. It is smaller than Jupiter’s moon Ganymede and Saturn’s moon Titan. But it’s not going to stay that size; the tiny planet is shrinking.

What is the diameter of a Solar System?

We took the radius of the solar system to be 39.5 AU, which means it has a diameter of 79 AU. This means you could put the Solar System about 3440 times between the Sun and the nearest star taking this definition.

What is the size of Mercury?

1,516 miMercury / Radius

What is the diameter of Mercury from the Sun?

Mercury is the closest planet to the Sun, at a distance of 57.91 million kilometers / 35.98 miles or 0.4 AU away. It takes sunlight 3.2 minutes to travel from the Sun to Mercury. Mercury has a radius of 2.439 km or 1516 mi, and a diameter of 4.879 km or 3.032 mi.

What is Mercury’s size compared to Earth?

With a radius of 1,516 miles (2,440 kilometers), Mercury is a little more than 1/3 the width of Earth. If Earth were the size of a nickel, Mercury would be about as big as a blueberry. From an average distance of 36 million miles (58 million kilometers), Mercury is 0.4 astronomical units away from the Sun.

Which is bigger Mercury or Pluto?

In case you’re wondering, though, Mercury is still significantly larger than the dwarf planet Pluto: Pluto’s equatorial diameter is just 2,302 km, about half Mercury’s width.

How big is the Oort cloud?

Named for the Dutch astronomer Jan Oort, who demonstrated its existence, the Oort cloud comprises objects that are less than 100 km (60 miles) in diameter and that number perhaps in the trillions, with an estimated total mass 10–100 times that of Earth.

Is Earth bigger than Mercury?

Earth is nearly 13,000 kilometers across. The smallest terrestrial planet, Mercury, has a diameter about 40 percent of that size. Jupiter, the biggest planet, is more than ten times larger than Earth. The maximum possible size for a planet is a few times larger than Jupiter – about the same size as the smallest stars.

How many Mercury can fit in the Sun?

Mercury is the smallest planet in our Solar System, having a diameter of only 4.879 km / 3.032 mi, and a radius of 2.439 km / 1.516 mi, and only 0.055 Earth masses. It would take around more than 21.2 million Mercury-sized planets to fit inside the Sun.

Is Mercury 18 times the size of Earth?

It is about 18 times less massive than Earth. With a diameter of about 3,032 miles (4,879 kilometers), Mercury is not quite two fifths the size of Earth. It is only about a third larger than Earth’s Moon.