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1 dzień temu · Water on Mars exists almost exclusively as water ice, located in the Martian polar ice caps and under the shallow Martian surface even at more temperate latitudes. A small amount of water vapor is present in the atmosphere.
3 dni temu · The Arctic poppy, scientifically known as Papaver radicatum, is a resilient and exquisite flowering plant that thrives in the challenging conditions of the Arctic tundra.
1 dzień temu · Arctic, northernmost region of Earth, centred on the North Pole and characterized by distinctively polar conditions of climate, plant and animal life, and other physical features. The term is derived from the Greek arktos (“bear”), referring to the northern constellation of the Bear.
5 dni temu · Mars - Polar Sediments, Ground Ice, Glaciers: At each pole is a stack of finely layered water-ice-rich sediments about 3 km (2 miles) thick and only a few tens of millions of years old. The layering is exposed around the periphery of the sediments and in valleys that spiral out from the poles.
5 dni temu · The north polar cap at the top has lost much of its annual frozen carbon dioxide layer, revealing the small permanent water-ice cap and dark collar of sand dunes. Syrtis Major is the large dark marking just below and to the east of center; beneath it, on the southern limb, is the giant impact basin Hellas shrouded by an oval of water-ice clouds.
4 dni temu · The Mars Polar Lander was to touch down on the southern polar layered terrain, between 73 S and 76 S, less than 1000 km from the south pole, near the edge of the carbon dioxide ice cap in Mars' late southern spring.
5 dni temu · Latest daily Arctic sea ice extent (JAXA AMSR2) for 2024. Mean sea ice extents from the 1980s, 1990s, 2000s, and 2010s are also shown by the dashed lines. Yearly maximum extents (2003-2023) are shown by the scatter points with color in reference to the magnitude. Updated 5/3/2024.
