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European Space Agency

First Light From Sun-Watching Sunstorm CubeSat

Around the same size as two big Harry Potter paperbacks, ESA’s Sun-watching Sunstorm CubeSat has produced its first solar X-ray spectrum, coming just over a week after its launch…

What’s Going On With Earth’s Ozone Hole?

World governments agreed in the late 1980s to protect Earth’s ozone layer by phasing out ozone-depleting substances emitted by human activities, under the Montreal Protocol….