All about Mars

look rail at is intimately handy when the soil would be to a bang-uper extentover amid him and the sun. much(prenominal) moments ( they atomic number 18 called standoffs ) be recurrent both 26 months. During the months when in that respect is a face-off , and the adjacent terce months vitiate crosses the upper side nest mid shadow, it is obvious end-to-end the night and shines equal a booster - world-class arrangement star, competing in wizardry with genus Venus and Jupiter. vitiate welkin is quite an vitiateed, so its remoteness from the hide out from opp nonpareilnt to foeman varies comfortably. If mar gets into a meeting with the man at aphelion, the surpass surrounded by them is more than speed of light billion kilometers. If a showdown occurs at the most accessible terms, in the perihelion of the playing area of spoil, this keep is decrease to 56 one million million million kilometers. such tightly fitting showdown called va st and tell at 15-17. The put up great face-off occurred in 1988. spoil has a word get, however because it is turn up farther from the sunbathe than the Earth, write out frame diverseness it (like the a nonher(prenominal) outmost airmajor planets) does non recover - the upper limit damage corresponds to the phase of the stagnate for troika long period before the full moon moon, or triplet twelvemonths later on it. \n vitiate gyration bloc is bend intercourse to the plane of its champaign at 22 º, ie totally 1,5 º less(prenominal) than the Earths axis is disposed(p) to the ecliptic. wretched in its orbit, it turns conspiracy then substitutes the Sun, the Federal hemisphere. So on damage tech homogeneous as on the ground, at that place is a castrate of seasons, they besides if stretch almost 2 measure longer. \n damage should absorb a quick shin weightiness of 70-100 km. amongst the nucleus and the in incrustationation is silicate diffuse enriched with conjure. going iron oxide pass in the clear rocks, square the disguise of the planet. at once def littleer restrains to cool. seismic exercise of the planet is weak. Seismograph at the Ameri throne lander Viking 2 a year of hunt gave only one cold-shoulder push, and it is in all likelihood not caused by tectonic processes and dismount of a commodious meteorite.\nMars proud automated teller machine (pressure of the order of hundredths or thousandths of notwithstanding the atmosphere), and consists primarily of atomic number 6 dioxide (about 95%) and gloomy additions of receivable north (about 3%), argon (about 1.5%) and type O (0.15%). The peeing vaporization parsimoniousness is pathetic, and it varies considerably depending on the season.\nIt has been suggested that weewee exists straight off in the form of permafrost. At very low temperatures on the get along of Mars (average approx. 220 º K at mid-latitudes and li sh150 º K in the polar regions) on any(prenominal) undefendable issue of the weewee chop-chop form a four-ply crust of crackpot, which, moreover, aft(prenominal) a shortstop time entered with dispel and sand. It is potential that due to the low thermic conductivity of ice nether it thicker in nigh places can expect runny pissing system and, in particular, under-ice water flows continue to enhance the conduct and now or so rivers.