Leonard David is an award-winning space journalist who has been reporting on space activities for more than 50 years. Currently writing as Space.
Jam packed issues filled with the latest cutting-edge research, technology and theories delivered in an entertaining and visually stunning way, aiming to educate and inspire readers of all agesWhat is the amount of greenhouse warming required to heat up the cold climes of Mars enough so that trees can grow on the Red Planet?Surprisingly, the conditions that would allow plant growth on the Red Planet do not occur first in the"tropics" of the planet.
Mosaic of the Valles Marineris hemisphere of Mars composed of 102 Viking Orbiter images of this huge feature on the Red Planet.The atmospheric conditions existing on Mars today make the existence of life impossible,” Olszewski points out. “The requirements for plant growth on Mars have been considered in the context of terraforming and for low-pressure greenhouses.”
The research focused on temperature"as this is the fundamental environmental variable that changes during terraforming and it controls the CO2 cycle and the formation of liquid water," Olszewski adds. Oxygen levels in a thick warmer atmosphere remain an important separate concern."Focusing on the temperature, it must be several tens of degrees higher, while the diurnal fluctuations should be much lower.
A future Mars protected from the direct solar wind should come to a new equilibrium allowing an extensive atmosphere to support liquid water on its surface.Therefore, the long warm southern summer provides the first growing season suitable for trees," Olszewski reports."Specifically, we find that the low elevation of the Hellas Basin allows the creation of the first conditions favorable to tree growth," the researchers conclude.
com's Space Insider Columnist among his other projects, Leonard has authored numerous books on space exploration, Mars missions and more, with his latest being"Moon Rush: The New Space Race" published in 2019 by National Geographic. He also wrote"Mars: Our Future on the Red Planet" released in 2016 by National Geographic. Leonard has served as a correspondent for SpaceNews, Scientific American and Aerospace America for the AIAA.
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