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- Mars - NASA Science
Mars is the fourth planet from the Sun, and the seventh largest It’s the only planet we know of inhabited entirely by robots
- Mars - Wikipedia
In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact (Mars 2) and first successful landing (Mars 3) on Mars Probes have been active on Mars continuously since 1997
- Mars | Facts, Surface, Moons, Temperature, Atmosphere | Britannica
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
- Search for Life Should Be Top Science Priority for First Human Landing . . .
When astronauts set foot on Mars, it will be one of humanity’s greatest milestones, marking the start of a new era of discovery on another planet A new National Academies report identifies the highest priority science objectives for the first human missions to Mars and says searching for evidence of existing or past life on the planet should be the top priority
- 1st human missions to Mars should hunt for signs of life, report says
Humanity's exploration of Mars should be organized around the search for signs of past or present Red Planet life, according to a new report from the U S National Academies
- Mars Facts | What Does Mars Look Like | All About Mars - Star Walk
Mars is the fourth planet from the Sun and the seventh largest planet in the Solar System With evidence suggesting that it once had flowing water, Mars holds many secrets waiting to be uncovered
- Time moves faster on Mars — proving Einstein right and posing new . . .
Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests This difference is significantly more than that for our moon, posing potential challenges for future
- Mars, the red planet: Facts and information | National Geographic
The red planet Mars, named for the Roman god of war, has long been an omen in the night sky And in its own way, the planet’s rusty red surface tells a story of destruction
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