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[95] [96] [97] Given that the atmosphere is a large conveyor belt that moves air over thousands of kilometers, microorganisms are disseminated globally. [ 98 ] [ 99 ] [ 100 ] Airborne transport of microbes is therefore likely pervasive at the global scale, yet there have been only a limited number of studies that have looked at the spatial ...
The amount and distribution of plankton depends on available nutrients, the state of water and a large amount of other plankton. [8] The study of plankton is termed planktology and a planktonic individual is referred to as a plankter. [9] The adjective planktonic is widely used in both the scientific and popular literature, and is a generally ...
Plankton are the building blocks of life in the sea. Everything depends on them. ... NOAA says this is considered the largest migration on Earth and can be seen from space!
It was believed that the cutoff for round objects is somewhere between 100 km and 200 km in radius if they have a large amount of ice in their makeup; [1] however, later studies revealed that icy satellites as large as Iapetus (1,470 kilometers in diameter) are not in hydrostatic equilibrium at this time, [2] and a 2019 assessment suggests that ...
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Cosmic dust – also called extraterrestrial dust, space dust, or star dust – is dust that occurs in outer space or has fallen onto Earth. [ 1 ] [ 2 ] Most cosmic dust particles measure between a few molecules and 0.1 mm (100 μm ), such as micrometeoroids (<30 μm) and meteoroids (>30 μm). [ 3 ]
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Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) is a 2020s NASA Earth-observing satellite mission to observe global ocean color, biogeochemistry, and ecology, as well as the carbon cycle, aerosols and clouds. [3] PACE is intended to be used to identify the extent and duration of phytoplankton blooms and improve understanding of air quality. [4]