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Mars is the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron (III) oxide dust, giving it the nickname " the Red Planet ". [21] [22] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.
- Life on Mars
The possibility of life on Mars is a subject of interest in...
- Moons of Mars
History Early speculation Curiosity's view of the Martian...
- Mars (Mythology)
In ancient Roman religion and mythology, Mars (Latin: Mārs,...
- Human Mission to Mars
Travel to Mars The minimum distance between the orbits of...
- Flag of Mars
Proposed flags Thomas O. Paine's design A flag design...
- History of Mars Observation
The English astronomer David Gill used this opportunity to...
- Phobos (Moon)
Phobos (/ ˈ f oʊ b ə s /; systematic designation: Mars I) is...
- Emirates Mars Mission
The Emirates Mars Mission (Arabic: مشروع الإمارات لاستكشاف...
- Marsquake
Illustration of the shadow zone of a P-wave for Earth....
- Life on Mars
The Exposition Universelle of 1878 (French pronunciation: [ɛkspozisjɔ̃ ynivɛʁsɛl]), better known in English as the 1878 Paris Exposition, was a world's fair held in Paris, France, from 1 May to 10 November 1878, to celebrate the recovery of France after the 1870–71 Franco-Prussian War.
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System. Mars is a terrestrial planet with caps of water and carbon dioxide. It has the largest volcano in the Solar System, and some very large impact craters. Mars is named after the mythological Roman god of war because it appears of red color. Anything that ...
1 day 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.
- Mars is less than 56 million km (35 million miles) from Earth at its closest approach, but it recedes to almost 400 million km (250 million miles)...
- Mars is the second smallest planet in the solar system, only larger than Mercury and slightly more than half the size of Earth. It has an equatoria...
- Mars is similar to Earth in many ways. Like Earth, it has clouds, winds, a roughly 24-hour day, seasonal weather patterns, polar ice caps, volcanoe...
- The characteristic temperature on Mars in the lower atmosphere is about 200 kelvins (K; −100 °F, −70 °C), which is generally colder than the averag...
- The Viking landers are two robotic U.S. spacecraft launched by the National Aeronautics and Space Administration (NASA) for the study of the planet...
- Space colonization, on Mars or elsewhere, is widely debated. Some argue humans have a moral duty to save our species from extinction, and space col...
The Beulé Gate is a fortified gate leading to the Propylaia of the Acropolis of Athens, Greece.It was constructed largely of repurposed material taken from the 4th-century BCE Choragic Monument of Nikias and integrated into the Post-Herulian Wall, a late Roman fortification built around the Acropolis in the years following the city's sack by the Germanic Heruli people in 267 or early 268 CE.
Sep 1, 2019 · Earth. Mars. About 4.5 billion years ago, the process of planet formation was more or less complete, as the fledgling planets mopped up any remaining smaller competitors. The terrestrial planets we see today are the survivors of a prolonged, chaotic period of colossal impacts which left their surface imprints in the form of giant basins and ...
Since the 1960s, humans have set out to discover what Mars can teach us about how planets grow and evolve, and whether it has ever hosted alien life. So far, only uncrewed spacecraft have made the ...
