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Transcript of Mercury
The Samaritan's discovered Mercury around 3,000 BC.
Mercury is the closest planet to the sun so it is hot. Mercury's temperatures can go between -279 Fahrenheit (-173 Celsius) at night to 801 Fahrenheit (427 Celsius) during the day. (This is hot enough to melt lead!)
Scientist discovered that Mercury may have hydrogen streams going out of the Mercury surface. Mercury is covered in dry lava (it may have had volcanos). 5.427g/cm3 is the density.
DISTANCE FROM THE SUN AND EARTH
miles from the Sun.
miles from the Earth.
What it's made of:
Mercury is made out of a large percentage of heavier elements, mainly iron. It's essentially a large metal ball of iron with a very thin silicate crust. Mercury's core makes up about 75% of the planet. Its thin mantle, or crust, is only about 300 to 400 miles thick (500 to 600 km). The color is dark gray.
The diameter is 4,879.4 kilograms (3,031.9186 miles). The mass is 1,023 * 3.3 kilograms. Mean density (kg/m3): 5,420. Its surface area is 28.88 million square miles
Mercury is the smallest and closest planet to the sun(not including dwarf planets).
Mercury was named after a roman god.
Mercury has 0.38 surface gravity.
Mercury has about ⅖ of Earth's diameter.
In Roman Mythology, Mercury was the messenger of the gods. Mercury was the offspring of Jupiter and Maia, the daughter of Atlas. Mercury is usually described as a beardless young man, of a fair complexion, with yellow hair, quick eyes, and a cheerful countenance, having wings annexed to his hat and sandals. It was part of his job to attend on the dying, and with Hercules, he patronized gymnastic exercises; to show that address upon these occasions should always be united with force.
Moons and Rings
Mercury has no moons or rings. It is one of the two planets that don’t have any moons or rings.
Length of Days and Years
Mercury is covered in thousand of craters.
In Earth time is one day on Mercury is 58d 15h 30m.
A year on Mercury in Earth time is 88 days.
In Latin mythology, mercury refers to the mythology beliefs of the Italic people inhabiting the region of Latium and its main city, Rome.
Scientists think that a huge asteroid slammed into Mercury about 4 billion years ago, creating a giant crater about 960 miles (1,545 km) across.
Called the Caloris Basin, the crater could fit the whole state of Texas inside it.
Researchers have calculated that the asteroid that created the basin had to have been about 60 miles (100 km) wide.
It orbits around the sun at the speed of 112,000 mph.
Mercury has an atmosphere. Mercury's atmosphere contains small amounts of hydrogen, helium, and oxygen. It also has even smaller amounts of sodium, potassium, calcium, and magnesium. Some of the gas particles come from the solar wind. Others are made by radioactive decay or when micrometeorites smash into the surface. It has one trillionth of Earth’s atmosphere.
Scientists think that a huge asteroid slammed into Mercury about 4 billion years ago, creating a giant crater about 960 miles (1,545 km) across. The asteroid was named the Caloris Basin, and the crater could fit the whole state of Texas inside it.