Glowing 'auroral beads' appear strung across the night sky. Here's what creates them. - Space.com

Telescopes spotted 'auroral beads,' a special type of aurora, strung across the night sky like a glowing jeweled necklace, helping astronomers better understand these beautiful light shows.

Spacecraft studying Earth's magnetosphere collectively observed how solar particles reach the upper atmosphere and create glowing auroral beads in the night sky. (Image credit: ESA/ATG medialab) A c… [+3866 chars]

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