“Earth is getting dimmer-and the Northern Hemisphere is losing brightness faster than expected.”

Views expressed in this science and technology update are those of the reporters and correspondents.

Accessed on 28 October 2025, 2320 UTC.

Content and Source:  “Smithsonian Magazine-the Daily.”

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Russ Roberts (https://hawaiisciencejournal.com).

New research reveals that Earth’s Northern Hemisphere is growing darker faster than the Southern Hemisphere is. (Bill Anders, Public domain, via Wikimedia Commons)

Earth Is Getting Dimmer—and the Northern Hemisphere Is Losing Brightness Faster Than Scientists Expected

New research challenges the idea that the hemispheres’ matching brightness is a fundamental property of the planet

Margherita Bassi

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