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The large eccentricity causes the insolation on Mars to vary as the planet orbits the Sun. (The Martian year lasts 687 days, roughly 2 Earth years.) As on Earth, Mars' obliquity dominates the seasons but, because of the large eccentricity, winters in the southern hemisphere are long and cold while those in the north are short and relatively warm.
Phobos orbits so fast (with a period of just under one third of a sol) that it rises in the west and sets in the east, and does so twice per sol; Deimos on the other hand rises in the east and sets in the west, but orbits only a few hours slower than a Martian sol, so it spends about two and a half sols above the horizon at a time.
Sol (borrowed from the Latin word for sun) is a solar day on Mars; that is, a Mars-day. A sol is the apparent interval between two successive returns of the Sun to the same meridian (sundial time) as seen by an observer on Mars. It is one of several units for timekeeping on Mars. A sol is slightly longer than an Earth day.
If you catch yourself looking up at the night sky this evening, you might notice what looks like a bright star with an orange tint. That's actually the planet Mars. Here's HLN: 'The planet is ...
Cavosie said the research showed that even though Mars’ crust was hit by massive meteorites that caused a major upheaval of the planet’s surface, water was present during the early Pre ...
While astronomers say it’s not a “perihelic opposition,” which happens every 15-17 years and only occurs when Mars is at its closest to Earth while also reaching the closest point to the sun ...
A young man is in love with a woman and must impress government officials to marry her. To do this, he travels to Mars with this best friend, and they are accompanied by a stowaway. [3] The Last Days on Mars: 2013: On the first human mission to Mars, a crew member discovers fossil evidence of bacterial life.
In his mind, Alex’s decision to embark on a possible (one way!) mission to Mars is a chance to start anew, to dream anew. The conceit is a neat one, Instead, it inspires him.