Solar Eruption Hits Earth, Moon, and Mars Simultaneously in Rare Event
On October 28, 2021, astronomers made a groundbreaking discovery when they detected a solar eruption that simultaneously hit Earth, the Moon, and Mars. This marks the first time that a solar event has been measured on all three celestial bodies, according to reports from Insider Wales Sport.
The event, classified as a rare “ground level enhancement,” shed light on the vulnerability of the Moon and Mars to solar outbursts. Unlike Earth, which is protected by its magnetic bubble, the Moon and Mars lack their own magnetic fields. This means that particles from the Sun during ground level enhancements can pass through and potentially pose risks to astronauts and technological systems.
Mars, however, does provide some level of protection with its thin atmosphere. The atmosphere can stop lower energy solar particles and slow down highly energetic ones, reducing their impact on the planet’s surface. Nonetheless, the finding reinforces the importance of understanding the impact of solar events as space exploration focuses more on the Moon and Mars.
The Moon has been a subject of interest for space agencies, including NASA, in recent years. The radiation doses from solar events can have detrimental effects on astronauts. Radiation doses above 700 milligrays can induce radiation sickness, which is a serious concern for future crewed missions.
To gain a better understanding of the radiation dose during the October 2021 solar event, NASA’s Lunar Reconnaissance Orbiter (LRO) measured the radiation dose in lunar orbit. The results showed that the radiation dose was only 31 milligray, which is below the dangerous threshold for astronauts. This finding brings relief, as previous ground level enhancement events on the Moon may have exceeded the safe dose levels without adequate radiation protection measures.
Insider Wales Sport highlights the importance of comprehending these solar events for future crewed missions to the Moon and beyond. With plans for human exploration and potential colonization, the safety of astronauts remains a top priority. By studying solar eruptions and their impact on different surfaces, scientists can work towards developing effective radiation shielding techniques and protocols to safeguard the well-being of astronauts during future missions.
As space exploration continues, observations like this solar event serve as valuable contributions to humanity’s knowledge of space and pave the way for safer and more successful missions to the Moon and Mars.
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