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Can we dim the sun to fight climate change? Not without risking weather patterns, scientists suggest

Some think it’s a no brainer: Scattering microscopic particles of sulfur into Earth’s atmosphere would reduce the amount of sunlight that reaches the ground, thereby cooling the planet. Indeed, this cooling might temporarily offset the progressing climate change — but a new study claims this type of intervention is likely to have several more unwanted side effects than previously…
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The other space race: why the world is obsessed with sending objects into orbit

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Beyond the race for scientific, commercial and military purposes, there is another space race of a more curious sort. A race to be the first to send various objects up there. But why? In December 2024, Buddhist monks from Japan attempted…
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Are we already witnessing space warfare in action? 'This is not just posturing'

Space-based shenanigans are increasing in Earth’s orbit. Anti-satellite technologies (ASATs) are becoming the new military “must-have” for spacefaring nations — like China, Russia, India, as well as the United States. U.S. military leaders have openly stated that the nation needs space-based weaponry “to deter a space conflict and to be successful if we end up in such a…
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The Orionid meteor shower peaks under dark, moonless skies next week. Here's how to see it

If you happen to glimpse a “shooting star” before dawn during the next several days, there’s a good chance that what you saw was a fragment left behind in space by the famous Halley’s Comet. For it is during the third week of October that a meteor display spawned by the debris shed by Halley reaches its peak: the Orionid meteor shower. The Orionids aren’t one of the…
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