Time-lapse: The Southern Lights
In June 2026, astronauts on SpaceX's Dragon spacecraft shared their view with those stuck back on Earth—the southern lights as seen from space.
Jessica Meir/NASA
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© American Chemical Society (A Britannica Publishing Partner)How much does a cloud weigh?
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Encyclopædia Britannica, Inc.Cloud seeding can produce an extra 5 to 15% of precipitation.
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Created and produced by QA International. © QA International, 2010. All rights reserved. www.qa-international.comLiving organisms influence the cycling of carbon and oxygen through the environment.
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Encyclopædia Britannica, Inc.Is it just me, or did spring come early this year?