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HandWiki. Mars (Planet). Encyclopedia. Available online: https://encyclopedia.pub/entry/35376 (accessed on 22 September 2026).
HandWiki. Mars (Planet). Encyclopedia. Available at: https://encyclopedia.pub/entry/35376. Accessed September 22, 2026.
HandWiki. "Mars (Planet)" Encyclopedia, https://encyclopedia.pub/entry/35376 (accessed September 22, 2026).
HandWiki. (2022, November 21). Mars (Planet). In Encyclopedia. https://encyclopedia.pub/entry/35376
HandWiki. "Mars (Planet)." Encyclopedia. Web. 21 November, 2022.
Mars (Planet)
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The content is sourced from: https://handwiki.org/wiki/Astronomy:Mars_(planet)

Mars is the fourth planet from the Sun in our solar system and is named after Mars, the Roman god of war. Mars is also known as the "Red Planet" due to its reddish appearance when seen from Earth. The prefix areo-, from the Greek god of war, Ares, refers to Mars in the same way geo- refers to Earth. Until the first flyby of Mars by Mariner 4 in 1965, it was thought that Mars had channels of liquid water. Observations later showed that these channels do not exist. Still, of all the planets in our solar system other than Earth, Mars is the most likely to harbor liquid water, and perhaps life. Its rotational period and seasonal cycles are also similar to those of the Earth. It has the highest mountain in the solar system, Olympus Mons, the largest canyon in the solar system, Valles Marineris, and polar ice caps. Mars has two moons, Phobos and Deimos, which are small and oddly-shaped. These may be captured asteroids similar to 5261 Eureka, a Mars trojan asteroid. Mars can be seen from Earth by the naked eye. Its apparent magnitude reaches -2.9, a brightness surpassed only by Venus, the Moon, and the Sun. For much of the year, Jupiter may appear brighter to the naked eye than Mars. Mars is currently host to four orbiting spacecraft, more than any planet other than Earth. It is also home to the two Mars Exploration Rovers, Spirit and Opportunity.

seasonal cycles solar system venus

References

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