航天产业正在迅猛发展。未来几年,预计将有近 10,000 颗航天器被发射至近地轨道,用于全球监测、太空旅游以及提供互联网服务的卫星“巨型星座”等多种用途。 火箭发动机的尾气,以及失效卫星和火箭部件重返地球大气层时燃烧产生的物质,都会释放出一系列污染物 ...
在大约46亿至35亿年前的冥古宙(Hadean eon)和太古宙(Archean eon)期间,小行星和微行星频繁轰击地球。由于如今保存下来的岩石中,年代超过40亿年的寥寥无几,我们对当时地球环境的了解十分有限。然而,来自月球的样本及其布满陨石坑的表面,为我们了解该时期的 ...
Time is of the essence in tropical cyclone prediction: The more warning time a community has, the better prepared its members will be when a storm makes landfall. Currently, the path and nature of ...
Advances in virtual and augmented reality, spatial computing, and other technologies offer chances to work with data more ...
An interdisciplinary network of scientists and stakeholders is working to understand how saltwater intrusion and sea level ...
Learning from the attempted rescue of the Lunar Trailblazer: how ground-based optical observations and laboratory ...
A parsimonious ecosystem model constrained by data from NASA’s Soil Moisture Active and Passive mission generates a global ...
New research suggests that the loss of wetlands since 1985 has cost more than $10 billion in residential flood insurance ...
A decade of NASA airborne radar surveys produces the most extensive inventory of glacier ice thickness for Alaska and ...
Researchers have long known that there is an asymmetry in the El Niño–Southern Oscillation (ENSO), the confluence of wind and ...
An enigmatic feature of frozen soils can be explained in part by non-Newtonian fluid physics. Enter the Oobleck.
Better simulations of raindrop formation could help improve climate and weather models. This newsletter rocks. Get the most ...
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