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Environment May 9, 2024

Study finds consistent decline in nitrogen oxides emissions from human activities in China since 2020

Nitrogen oxides (NOx) form aerosols and ozone in the atmosphere and are significant contributors to air pollution and climate change. China is the largest emitter, yet accurate and timely information on NOx emissions in China ...

Astronomy May 9, 2024

Where space weather starts: Self-consistent propagation of flux ropes in realistic coronal simulations

The effects of space weather extend out across our entire solar system, but this is a simulation of where everything starts: the sudden, violent, emergence of a "flux rope" out of the sun's magnetic field and into the solar ...

Space Exploration May 8, 2024

White Sands propulsion team tests 3D-printed Orion engine component

When the Orion spacecraft carries the first Artemis crews to the moon and back, it will rely on the European Service Module contributed by ESA (European Space Agency) to make the journey. The service module provides electrical ...

Planetary Sciences May 13, 2024

Dazzling auroras fade from skies as sunspot turns away

The spectacular auroras that danced across the sky in many parts of the world over the weekend are fading, scientists said Monday, as the massive sunspot that caused them turns its ferocious gaze away from Earth.

Planetary Sciences May 14, 2024

Why are auroras so hard to predict? And when can we expect more?

On Saturday evening before Mother's Day, Australians witnessed a rare celestial spectacle: a breathtaking display of aurora australis, also known as the southern lights.

Planetary Sciences 1 hour ago

NASA's Juno provides high-definition views of Europa's icy shell

Images from the JunoCam visible-light camera aboard NASA's Juno spacecraft supports the theory that the icy crust at the north and south poles of Jupiter's moon Europa is not where it used to be. Another high-resolution picture ...

Astronomy 48 minutes ago

Video: SOHO's view of the 11 May 2024 solar storm

Over the weekend of 10–12 May 2024, Earth was struck by the largest solar storm in more than a decade. While many of us enjoyed colorful auroras lighting up Earth's protective atmosphere, spacecraft had to endure being ...

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