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1 day ago · The global average sea level has risen about 250 millimetres (9.8 in) since 1880. [1] Sea surface height change from 1992 to 2019 – NASA. The visualization is based on data collected from the TOPEX/Poseidon, Jason-1, Jason-2, and Jason-3 satellites. Blue regions are where sea level has gone down, and orange/red regions are where sea level has ...
3 hours ago · The effects of low gravity or weightlessness (more precisely, microgravity) in orbit—on the moon the gravitational pull is 1/6 of the Earth’s gravity, on the ISS about 1/1000—is therefore an extremely rare experience for human beings.
1 day ago · Share this comic. If a spaceship accelerates at the same rate as it would in a free-fall under Earth's gravity (Otherwise known as "1G acceleration"), it can reach Jupiter from Earth in just under 6 days. It would need to flip in the middle of the travel, to start decelerating and enter the planet's orbit. A sci-fi comic aspiring to bridge the ...
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1 day ago · The Haiyang-2D (HY2D) satellite is the fourth ocean dynamics environment monitoring satellite launched by China. The satellite operates on a re-entry frozen orbit, which necessitates orbital maneuvers to maintain its designated path once the satellite’s sub-satellite point deviates beyond a certain threshold. However, the execution of orbit maneuvers presents a significant challenge to the ...
3 hours ago · damage to the environment and socio-economics and are an inevitable part of the earth’s surface [1]. These hazards include, but are not limited to, ... is the acceleration of gravity, v.
1 day ago · The aerospace aircraft, known as a cross-border artifact combining aviation and aerospace technology, is a revolutionary aircraft that not only has the ability to fly in the dense atmosphere, but also can pass through the atmosphere,...
