Mercury Facts – Interesting Facts About Mercury

Facts About Mercury

Mercury has a molten core.

Mercury’s core makes up 42% of its total volume, while Earth’s core makes up 17%.

Mercury has the highest orbital eccentricity of all the planets.

Mercury does not have moons or rings.

A day on Mercury takes 176 Earth days.

A year on Mercury is 88 Earth days long.

We can’t observe Mercury from Hubble Telescope. Because mercury is so close to the sun, the brightness from the sun would damage the electrical components on the telescope.

Mercury’ orbit is not circular like other planet’s but is an elliptical orbit.

Mercury’s eccentric orbit helped proved Einstein’s theory of relativity.

Mercury has thin atmosphere which is virtually nonexistent.