Mercury

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by 22suripeddsamhita
Last updated 6 years ago

Discipline:
Science
Subject:
Planets

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Mercury

Mercury is a planet that orbits around the Sun. In fact, Mercury is the closest planet to the Sun as well as the smallest in the solar system. Mercury is so small that it is just a little larger than Earth's moon and smaller than Jupiter's moon Ganymede. The average distance from the Sun to Mercury is about 36 million miles. Mercury orbits the Sun at 107,000 miles per hour which means that it takes the same time for Earth to to orbit the Sun in 88 days. Also, Mercury spins or rotates around its axis in 58.7 Earth days. This means that day and night on Mercury is very, very, slow. Since Mercury is very close to to the Sun, we can see it when the Sun rises in the morning, and when the sun sets, in the afternoon.

Can we go here?

Mercury has no atmosphere because the Sun’s solar flares blow away the atmosphere into space. Mercury also doesn’t have an atmosphere because the planet doesn’t have enough gravity to hold onto the atmosphere.

Planet Mercury Space School

Mercury: The Dead Planet

Mercuryby: Samhita #28

Since Mercury orbits very close to the Sun, it is very difficult to send aircrafts to the planet because of its extreme weather. But, some aircrafts have been to Mercury. The Mariner 10, a probe created by NASA, was sent from Earth on November 1973 to explore and arrived to Mercury to take pictures on March 1974. The Mariner 10, flew about 435 miles above the surface of Mercury to take pictures to show how the Moon and Mercury looked alike. On its way back to Earth in 1975, The Mariner 10 skimmed the surface of Mercury once more. In 2008 and 2009, the Messenger observed Mercury by orbiting the planet three times while taking pictures. The Messenger came back and started a mission taking more pictures in 2011 to observe the planet’s terrestrial surface. On its orbits around the planet, the Messenger found a new landform called the hallows and found sulfur and potassium, two of the elements from the periodic table, on Mercury.

Sources:http://www.kidsastronomy.com/mercury.htmhttp://space-facts.com/mercury/http://theplanets.org/mercury/Mercury and Venus By: Rick Kerrodhttps://solarsystem.nasa.gov/planets/profile.cfmObject=Mercury'Display=OverviewLongVideos are from Youtube

Since mercury has no atmosphere, it will experience extreme temperatures. During the day, the temperature can go up to 800 degrees fahrenheit and in the night, temperatures can go down to -300 degrees fahrenheit.

Mercury Has No Atmosphere. Why?

What is Mercury and where is it located?

Space probes to Mercury

What is Mercury made of?

Mercury is made up of three main layers which consist of many materials. The crust, or the outer layer of the planet, is made up of rock. The mantle is the next layer, beneath the crust, which is made up of a much thicker and impenetrable rocky surface. Finally, underneath the mantle is the enormous iron core. The core is made up of a large amount of iron for the size of the planet. Also, the planet is made up of the most iron than any other planet in the solar system. Just like some of the other planets in the solar system such as the Earth, Mercury’s core is also magnetic. Magnetism is created when masses of iron rotate. Though Mercury has a large amount of iron, it doesn’t rotate as fast as Earth so, Mercury has less magnetism than Earth does.

Why Does Mercury Have Craters And How Did They Get There?

When you see Mercury on pictures or in telescopes, you see that there are many holes or craters on the planet. The craters were created over billions of years when asteroids and comets crashed into the planet. The larger the asteroid or comet, the more wide the crater is. The more heavier the comet or asteroid is, the more deep the crater is. When meteorites hit Mercury, fragments of rock were thrown out. The fragments then fell back onto the surface to make smaller craters.

A picture taken from outer space

What Mercury is made of

A picture taken of Mercury with the sun on the opposite side


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