Fitness tracker beyond Earth

One of the experiments during ESA astronaut Andreas Mogensen's mission will track his health and body vital signs during his daily exercise in space.

Strong solar flare erupts from sun

The sun emitted a strong solar flare, peaking at 6:21 p.m. EDT on Aug. 5, 2023. NASA's Solar Dynamics Observatory, which watches the sun constantly, captured an image of the event.

Giant solar eruption felt on Earth, moon and Mars

A coronal mass ejection erupted from the sun on 28 October 2021 and was spread over such a wide area that Mars and Earth, while on opposite sides of the sun and around 250 million kilometers apart, received an influx of energetic ...

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