training
-
Space & Cosmos
NASA’s Artemis II crew uses Icelandic terrain for lunar training
NASA astronaut and Artemis II mission specialist Christina Koch stands in the stark landscape of Iceland during a geology field training course. Photo by NASA/Robert Markowitz Black and grey sediment stretches as far as the eye can see. Huge boulders lie on the bare ground. Humans look almost miniature against the band of shadowy mountains. At first glance, it seems…
Read More » -
Science
Researchers use training models to map planted and natural forests from satellite imagery
(a) World, (b) Europe, (c) Asia, (d) North America, (e) Oceania, (f) South America, (g) Africa. Photo credit: Xiao Yuelong, Tongji University. Reforestation may seem like a simple way to combat climate change, but planted forests often encroach on natural forests, wetlands and grasslands, which can reduce biodiversity, disrupt natural habitats and disrupt carbon and water cycles. Forest cover is…
Read More »