Results 271 to 280 of about 78,262 (284)
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Space Policy, 1997
Abstract The apparent - though disputed - discovery of past microbial life on Mars gives rise to the ethical and policy questions of how we can be sure of the status of life on the planet before launching potentially destructive missions; and, should life be found, how we will decide what do to.
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Abstract The apparent - though disputed - discovery of past microbial life on Mars gives rise to the ethical and policy questions of how we can be sure of the status of life on the planet before launching potentially destructive missions; and, should life be found, how we will decide what do to.
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Monthly Review, 1997
Review of Red Mars, Green Mars, and Blue Mars by Kim Stanley Robinson. This article can also be found at the Monthly Review website , where most recent articles are published in full. Click here to purchase a PDF version of this article at the Monthly Review website.
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Review of Red Mars, Green Mars, and Blue Mars by Kim Stanley Robinson. This article can also be found at the Monthly Review website , where most recent articles are published in full. Click here to purchase a PDF version of this article at the Monthly Review website.
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2012
Phobos and Deimos, the two satellites of Mars, are potato-shaped city-sized lumps of rock orbiting in near-circular paths almost directly above the Martian equator. Both moons are made of very dark material and display cratering. Because of their low surface brightness and composition it was once widely considered that both Phobos and Deimos were ...
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Phobos and Deimos, the two satellites of Mars, are potato-shaped city-sized lumps of rock orbiting in near-circular paths almost directly above the Martian equator. Both moons are made of very dark material and display cratering. Because of their low surface brightness and composition it was once widely considered that both Phobos and Deimos were ...
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2013
The year is 2035, and the crew from the first expedition to Mars is returning to Earth. The crewmembers are anxious to get home, and ennui pervades the ship. The mood is broken by a series of mysterious events that jeopardize their safety. Someone or something is threatening the crew. Is it an alien being? A psychotic crewmember?
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The year is 2035, and the crew from the first expedition to Mars is returning to Earth. The crewmembers are anxious to get home, and ennui pervades the ship. The mood is broken by a series of mysterious events that jeopardize their safety. Someone or something is threatening the crew. Is it an alien being? A psychotic crewmember?
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Martian Gullies and Their Connection With the Martian Climate
2018Susan J. Conway +2 more
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