Facts about Mercury Planet

Mercury is taken from the name of the Roman god of commerce. Mercury became the smallest planet after Pluto was removed from the planets in our solar system.
If the size of the earth such as baseball ball then Mercury will have the size of a golf ball.The size of the sun viewed from Mercury will be looks almost three times larger than when viewed from Earth.
Here are the facts about Mercury.

1. Mercury is the planet closest to the Sun.
The shortest distance between Mercury and the sun is about 47 million miles and its greatest distance of about 70 million km

This planet revolves around the sun in 88 days at a speed of about 50 miles per second.

2. Mercury has been known since before the third century BC.
The ancient Greeks gave the name of this planet Apollo when it appeared as a morning star and Hermes when looks as evening star.

3. Mercury not have a satellite or moon.
Until now there are no reports about the a satellite that are identified as belonging to Mercury.

4. Mercury has a very thin atmosphere.
Mercury's atmosphere is composed of atoms of various kinds of elements. As a result of the planet's surface is hot, these atoms quickly released into the space.

5. Mercury is an extreme planet.
The temperature on Mercury can range from 90 K to 700 K. The temperature on Venus is higher than Mercury, but Venus has a smaller temperature variations.