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Artículos sobre Satellites

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New satellite mapping techniques can quickly locate washed out and damaged areas. Ricardo Arduengo / AFP via Getty Images

New satellite mapping with AI can quickly pinpoint hurricane damage across an entire state to spot where people may be trapped

Artificial intelligence can spot differences in images from before and after a storm over wide areas in almost real time. It showed Hurricane Ian’s vast damage in Florida.
Didymos (bottom right) and its smaller moonlet Dimorphos (center) were the targets of the Double Asteroid Redirection Test. NASA/Johns Hopkins APL

NASA crashed a spacecraft into an asteroid – photos show the last moments of the successful DART mission

The Double Asteroid Redirection Test successfully showed that it is possible to crash a spacecraft into a small asteroid. Whether the approach could save Earth from a future threat remains to be seen.
Private companies have launched dozens of imaging satellites – like the two small boxes in the middle of the photo – into orbit in recent years. NASA/Steve Jurvetson

War in Ukraine highlights the growing strategic importance of private satellite companies – especially in times of conflict

Private satellite companies have boomed in recent years, and many experts have wondered what role they would play in a conflict. They have proved to be invaluable to Ukraine in recent months.
Satellite imagery monitors environmental changes to inform agricultural decisions. Agricultural patterns are distinctly visible in this near-vertical false colour infrared photography of farmland south of Khartoum, Sudan. (JSC/NASA)

Space agriculture boldly grows food where no one has grown before

Technologies being developed for growing food in space have contributed to advances in agriculture and crops on Earth.
NASA’s Landsat satellites have been monitoring changes on Earth’s landscape for 50 years. NASA illustration

Satellites over the Amazon capture the choking of the ‘house of God’ by the Belo Monte Dam – they can help find solutions, too

When Indigenous peoples lose their river flow to dams, satellite programs like Landsat – which is celebrating its 50th anniversary – can help them fight for their resources.

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