Boris Nikitin
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2 days ago · Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. There are intriguing clues that billions of years ago Mars was even more Earth-like than today.
- The Atmosphere
Mars - Atmosphere, Climate, Dust Storms: The Dutch American...
- Basic Astronomical Data
Mars - Red Planet, Orbit, Moons: Mars is the fourth planet...
- Human Exploration
Mars - Exploration, Rovers, Astronauts: Human exploration is...
- Atmospheric Structure
Mars - Atmosphere, Structure, Composition: The vertical...
- Spacecraft Exploration
Mars - Spacecraft, Exploration, Missions: Since the...
- Character of The Surface
Mars - Craters, Valleys, Plains: The character of the...
- Meteorites From Mars
Mars - Meteorites, Exploration, Origin: Scientists have...
- Atmosphere, Surface, Pressure
Mars - Atmosphere, Surface, Pressure: Carbon dioxide...
- The Atmosphere
May 6, 2024 · Learn about Mars, the Red Planet, with fun facts, images, and activities. Find out how Mars compares to Earth, what its atmosphere and surface are like, and what missions have explored it.
May 6, 2024 · As Mars is located farther away from the Sun than the Earth, it takes longer for the Red Planet to complete one orbit around the Sun. A year on Mars lasts for about 687 Earth days, which equals 1.88 Earth years. How long is a day on Mars? Mars rotates on its axis at almost the same speed as the Earth.
May 6, 2024 · Newfound rocks on Mars suggest the planet may have once sported an oxygen-rich atmosphere, making it more Earth-like and hospitable to life than previously thought.
1 day ago · NASA's human Mars exploration plans have evolved through the NASA Mars Design Reference Missions, a series of design studies for human exploration of Mars. In 2017, the focus of NASA shifted to a return to the Moon by 2024 with the Artemis program, a flight to Mars could follow after this project.
1 day ago · Mars is a terrestrial planet located fourth from the Sun in the Inner Solar System. It has a diameter of 6,779 kilometers and a mass of 6.39 x 10^23 kilograms, making it roughly half the size of Earth. Mars is a rocky planet with a thin atmosphere primarily composed of carbon dioxide, with trace amounts of nitrogen and argon.
6 days ago · The atmosphere of Mars is the layer of gases surrounding Mars. It is primarily composed of carbon dioxide (95%), molecular nitrogen (2.85%), and argon (2%). [3] It also contains trace levels of water vapor , oxygen , carbon monoxide , hydrogen , and noble gases .
