Instruments in different parts of the solar system all captured radiation from the same coronal mass ejection for the first time ever.
On Oct. 28, 2021, a huge burst of plasma and magnetized particles erupted from the sun. The massive solar outburst washed over Earth, the moon and Mars, bathing them in radiation. And, for the first time, instruments on all three bodies measured the same event almost simultaneously.
Understanding such events, known as coronal mass ejections , is crucial for future space exploration, including planned missions to send astronauts to Mars and to establish a scientific outpost on the moon. On Earth, our magnetic field acts as a shield against most dangerous solar outbursts. But the moon and Mars lack this protective magnetosphere, which means that a lot more radiation makes it to their surfaces.
All that radiation can have a negative impact on astronauts. Exposure to high doses of radiation can lead to skin irritation, nausea, blood disorders, weakened immunity and even cancer, according to a 2014 study published in the journal Life. In acute cases, it can cause burns and neurologic degeneration. A dangerous dose is considered to be around 700 milligray . Fortunately, the Oct.
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