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Space

Astronomers alarmed by satellite that outshines all but seven stars

Observations collected from telescopes around the world confirm that the communications satellite BlueWalker 3 outshines all but seven stars, posing huge problems for astronomy

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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

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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

Regulars

Environment

A map of every tree in Africa will help monitor deforestation

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Shooting stars and Starlink stellites leaving streaks in photographs of the night sky

Space

SpaceX's efforts to make satellites less bright aren't working well

Analysis

Fishing vessels are catching squid at night.

Environment

Squid fishing is booming in unregulated parts of the ocean

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A balloon in a field

Technology

China, UK and US are all boosting their spy balloon programs

Military interest in balloon surveillance had been increasing even before a Chinese-launched balloon wandered across the continental US

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Space

First satellite launch from the UK failed due to an ‘anomaly’

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Space

First satellite launch from the UK set to go ahead in Cornwall

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Technology

What's next if SpaceX won't fund Starlink in Ukraine?

Analysis

Space

Swarm of light-sail spacecraft could be propelled by laser on the moon

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