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Chinese Spacecraft Takes Images of Mars
A Chinese spacecraft has taken images covering all of Mars after circling the planet more than 1,300 times since early last year, state media reported this week.
China's Tianwen-1, a spacecraft without people on it, reached the Red Planet in February 2021. It was the country's first mission there. A robotic rover has since been sent to the surface, while an orbiter studied the planet from space.
Among the images taken from space were China's first photographs of the Martian south pole. The south pole is where almost all of the planet's water resources are locked.
In 2018, an orbiter operated by the European Space Agency discovered water under the ice of the planet's south pole. Finding water below the surface is important for studying the planet's ability to provide for life. Such a finding could also be helpful for any human exploration there.
Other Tianwen-1 images include photographs of the Valles Marineris, a 4,000-kilometer long canyon2, and an area in the north of Mars called Arabia Terra. It has many impact craters4 – holes in the ground caused by meteorites5 or other objects.
Tianwen-1 also sent back detailed6 images of the edge of the large Maunder crater3, as well as a view of the 18,000-meter Ascraeus Mons, a large volcano first detected by NASA's Mariner1 9 spacecraft more than 50 years ago.
Words in This Story
rover – n. a vehicle used for exploring the surface of a moon, planet, etc.
canyon – n. a deep valley with steep rock sides and often a stream or river flowing through it
volcano – n. a mountain with a hole in the top or side that sometimes sends out rocks, ash, lava7, etc., in a sudden explosion (called an eruption)
1 mariner | |
n.水手号不载人航天探测器,海员,航海者 | |
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2 canyon | |
n.峡谷,溪谷 | |
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3 crater | |
n.火山口,弹坑 | |
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4 craters | |
n.火山口( crater的名词复数 );弹坑等 | |
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5 meteorites | |
n.陨星( meteorite的名词复数 ) | |
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6 detailed | |
adj.详细的,详尽的,极注意细节的,完全的 | |
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7 lava | |
n.熔岩,火山岩 | |
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