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Acum 3 zile · Mars' cloudy sky as seen by Perseverance rover in 2023, sol 738. The climate of Mars has been a topic of scientific curiosity for centuries, in part because it is the only terrestrial planet whose surface can be easily directly observed in detail from the Earth with help from a telescope.
Acum 3 zile · Mars, fourth planet in the solar system in order of distance from the Sun and seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. Mars is designated by the symbol ♂. Sometimes called the Red Planet, Mars has long been associated with warfare and slaughter.
Acum 2 zile · Mars is of particular interest for the study of the origins of life because of its similarity to the early Earth. This is especially true since Mars has a cold climate and lacks plate tectonics or continental drift, so it has remained almost unchanged since the end of the Hesperian period.
Acum 4 zile · Today, Mars is cold and dry. Billions of years ago, however, there was liquid water on its surface—and scientists have long been fascinated by what the planet could have been like at that time.
Acum 3 zile · Mars 4NM and Mars 5NM – projects intended by the Soviet Union for heavy Marsokhod (in 1973 according to initial plan of 1970) and Mars sample return (planned for 1975). The missions were to be launched on the failed N1 rocket.
Acum 3 zile · Mars - Atmosphere, Surface, Pressure: Carbon dioxide constitutes 95.3 percent of the atmosphere by weight (see the table), nine times the quantity now in Earth’s much more massive atmosphere.
Acum 4 zile · Scientists and sci-fi fans alike have long hoped that Mars may have once been a warm and wet world like Earth in its distant past, possibly being host to life—sadly, that may not be the case.
