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Transcript of Mars
Mars has two moons; Phobos and Deimos. Phobos is larger and closer to Mars. Deimos is smaller and more outer.
By Aubrey, Ethel, Cathleene , Jericho Acosta
Mars: The Red Planet
The Mariner 4 was launched on November 28, 1964. It returned the first pictures of Mars' surface.
The Phoenix Mars Lander landed on May 25, 2008. The purpose of the mission was to search for a habitable zone on the planet and research the history of the planet's water.
Mars was named after the Roman god of war because its red color looks like spilled blood.
Who Discovered It? When Was It Discovered?
Many people were credited for the discovery of
Mars; The early Egyptians, Babylonians, Greeks,
and Danish. Mars was discovered by these people thousands of years ago.
Can Mars Support Human Life?
Mars can't support human life; It doesn't have water and the right amount of oxygen, nitrogen, and carbon dioxide to help produce life. Mars also lacks an ozone layer to shield people from UV rays of the sun.
Mars' core is made out of iron and sulfur. The mantle is made up of silicates. Mars' crust is composed of basalt and iron oxide. The iron oxide is what gives Mars its red color.
The atmosphere is composed of four layers; The lower atmosphere, the middle atmosphere, the upper atmosphere, and the exosphere.
Distance From the Sun
The average distance from Mars to the sun is about 227,900,000 kilometers.
Distance From Earth
The average distance from Mars to Earth is about 225,000,000 kilometers.
Time on Mars
A Day On Mars
The average length of a Martian sidereal day is 24 hours and 40 minutes.
A Year On Mars
The length of a Martian year is about 687 Earth days.
Mars's surface gravity is about 38% ( 0.38 ) of Earth's.
Olympus Mons is the largest shield volcano in the solar system. It has a height of over 24 km and a width of about 550 km.
Valles Marineris is the deepest canyon in the solar system. It's about 8 km deep.
It's known for its reddish, dusty surface.
It's the most Earth-like planet in the solar system, except for its size and surface gravity.
Just like Earth, Mars' poles are frozen.
The month of March was named after Mars.
Mars is nicknamed the "Red Planet".
Mars is about half the size of Earth.
Phobos and Deimos don't go one direction.. ;) .. Phobos orbits from west to east and Deimos orbits from east to west.
Mars is the fourth planet from the sun.
In the exosphere, the last bunch of the atmosphere merges into space. There's no boundary where the atmosphere ends.
The Upper Atmosphere
The upper atmosphere has high temperatures from the sun. Gases start to separate from each other.
The Middle Atmosphere
A jetstream flows in this area of the atmosphere.
The Lower Atmosphere
The lower atmosphere is a warm area affected by the heat from dust. The dust is transported from the ground by air.
Mars' atmosphere is made up of 95% carbon dioxide, 3% nitrogen, 1.6% argon and traces of oxygen, water and methane.
Mars' axial tilt is 25
. Like Earth, its tilt is responsible for
the planet's seasons. Because Mars takes longer than Earth to orbit the sun, the seasons are also longer than Earth's.
Mars is a terrestrial planet.
Mars' estimated mass is 6.42 x 10
Mars' diameter is about 6,800 kilometers.
Mars' average temperature is -63
Did You Know?