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Earth from Space: A veil of haze and smoke

This Copernicus Sentinel-3 image from October 2023 captures the plains of northern India and Pakistan under a white veil of haze and smoke.Zoom in to explore this image at its full resolution or click on the circles to learn more. Most of the plains at the...

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How to make a pinhole camera for the 2024 eclipse

How to make a pinhole camera for the 2024 eclipse

Back to Article List Here's our classic step-by-step guide to make a pinhole viewer with a cardboard box. OK, you want to view the Sun or an eclipse, but you don’t have an approved solar filter for your telescope. Maybe you don’t even have a telescope. No...

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Brrr. JWST Looks at the Coldest Brown Dwarf

Brrr. JWST Looks at the Coldest Brown Dwarf

What are the atmospheric compositions of cold brown dwarf stars? This is what a recent study published in The Astronomical Journal hopes to address as an international team of researchers used NASA’s James Webb Space Telescope (JWST) to investigate the coldest...

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ESA satellite returns to Earth – ERS-2 reentry

ESA satellite returns to Earth – ERS-2 reentry

Mission complete. ESA’s second European Remote Sensing (ERS-2) satellite has reentered Earth’s atmosphere over the North Pacific Ocean. The satellite returned at 18:17 CET (17:17 UTC) between Alaska and Hawaii.ERS-2 was launched almost 30 years ago, on 21 April...

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