Portal:Mars

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Mars

Mars as photographed by the Hubble telescope.
Mars is the fourth planet from the Sun in our solar system. It is named after the Roman god of war Mars (Ares in Greek mythology) because of its apparent red color. This feature has also earned it the nickname "The Red Planet". The prefix areo- refers to Mars in the same way geo- refers to Earth. The astronomical symbol for Mars is ♂, a circle with an arrow pointing northeast. The Chinese, Korean, Japanese, and Vietnamese cultures refer to the planet as 火星, or fire star. Mars is a terrestrial planet with a thin atmosphere, having surface features such as craters, giant valleys, and volcanoes. Of all the planets in our Solar System other than Earth, Mars is the most likely to harbor liquid water, and perhaps life.
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Mariner 6 and 7
As part of the wider Mariner program, in 1969 Mariner 6 and Mariner 7 (Mariner Mars 69A / 69B) completed the first dual mission to Mars, flying over the equator and south polar regions and analysing atmosphere and surface with remote sensors as well as recording and relaying hundreds of pictures. The mission's goals were to study the surface and atmosphere of Mars during close flybys to establish the basis for future investigations, particularly those relevant to the search for extraterrestrial life, and to demonstrate and develop technologies required for future Mars missions and other long-duration missions far from the Sun. Mariner 6 also had the objective of providing experience and data which would be useful in programming the Mariner 7 encounter 5 days later.
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Percival Lowell
Percival Lawrence Lowell (March 13, 1855 – November 12, 1916) was a businessman, author, mathematician, and astronomer who fueled speculation that there were canals on Mars, founded the Lowell Observatory in Flagstaff, Arizona, and formed the beginning of the effort that led to the discovery of Pluto 14 years after his death. The choice of the name Pluto and its symbol were partly influenced by his initials PL.

Percival Lowell, a descendant of the Boston Lowell family, was the brother of A. Lawrence, president of Harvard University, and Amy, an imagist poet, critic, and publisher. Percival graduated from the Noble and Greenough School in 1872 and Harvard University in 1876 with distinction in mathematics. At his college graduation, he gave a speech, considered very advanced for its time, on the "Nebular Hypothesis." He was later awarded honorary degrees from Amherst College and Clark University.

Topics

Mars Atmosphere ˑ Exploration (Voyager 2) ˑ History

Major Moons ˑ Phobos ˑ Deimos ˑ

Astronomers: Tycho Brahe ˑ Johannes Kepler ˑ Percival Lowell ˑ Gerard Kuiper ˑ Christiaan Huygens

See Also: Formation and evolution of the Solar System ˑ Terrestrial planet ˑ Nebular hypothesis

Bold articles are featured.
Italicized articles are on dwarf planets or minor moons.

Selected picture

plumed basilisk(Basiliscus plumifrons)
Credit: NASA

A panorama taken by Opportunity at Endurance crater.

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