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satellites

Environment

Satellite launched to track down leaks of potent greenhouse gas

MethaneSAT will orbit the planet 15 times a day to capture unprecedented amounts of data on methane emissions from human and natural sources

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methaneSAT

Space

Russia’s space weapon: Is it nuclear and does it pose a threat?

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Space

Satellite beamed power from space to Earth for the first time ever

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PALMS instrument

Earth

Dead spacecraft are seeding the upper atmosphere with metal

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2M3CPXW Kennedy Space Center, Florida, USA. 12th Nov, 2022. X-37B orbital test vehicle concludes sixth successful mission. Orbital Test Vehicle-6 (OTV-6), the U.S. Space Force's unmanned, reusable spaceplane, successfully deorbited and landed at NASA's Kennedy Space Center Shuttle Landing Facility on Nov. 12, 2022, at 05:22 a.m. The service module successfully separated from the OTV before landing, which is a necessary activity due to the aerodynamic forces experienced by the X-37B vehicle upon re-entry. In the coming weeks, the service module will be disposed of in accordance with best practices

Space

Space Force’s secretive space plane is making its highest flight yet

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Space

Amazon is launching its first internet satellites to rival Starlink

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StarLink satellite group shortly after launch, August 29, 2022

Technology

Starlink carbon footprint up to 30 times size of land-based internet

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Space

Astronomers alarmed by satellite that outshines all but seven stars

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Space

Is an enormous shield the worst way to protect Earth from asteroids?

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An area of Sri Lanka flooded in 2004 by a tsunami

Technology

AI can spot early signs of a tsunami from atmospheric shock waves

Tsunamis trigger atmospheric disturbances that are picked up by GPS satellites – and an AI-powered monitoring system that detects the signals could alert us before the tsunami reaches coastal areas

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The are thosands of small pieces of junk orbiting Earth (as well as thousands of satellites)

Physics

Quantum sensors could detect space debris from its gravitational pull

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Earth

Tonga volcano eruption disrupted satellites halfway around the world

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NEW CLOUDS ABOVE US The modern world relies on satellites for its communications and commerce. While mostly invisible to us as we go about out daily lives, our entire modern way of living ? both socially and professionally ? is intimately linked with the orbital space around the Earth. How we treat this extraterrestrial environment will determine how much we can rely on it in the future. ?In this view of Greenwich, London, you?ve got examples of what?s in space. I photographed about 300 artefacts ranging from satellites to rocket bodies, satellite parts, solar panels, all the way down to the screws and a glove to show what?s up there. The photography was done over a one year period, across North America, Europe and the UK. I wanted to show this from a human perspective ? from the ground looking up. I chose Greenwich because of its history of astronomy and because from there you can see the financial district of London to highlight the modern world?s connection to the satellites that circle Earth.? Max Alexander

Comment

Space debris problem highlighted in new series of photographs

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Environment

A map of every tree in Africa will help monitor deforestation

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