Space radiation might sound like a fanciful problem that would only affect astronauts, but it can affect the Earth, too. When the sun is particularly active and gives off solar flares or other big outpourings of energy called coronal mass ejections (CMEs), these travel through the solar system and arrive at Earth. These effects are referred to as space weather. In 2024, extremely high activity from the sun caused auroras to be visible across much of the globe in
…
Read more