Key Puzzle News Today

A new study published in Nature Astronomy [1] marks the first time researchers have captured the full lifecycle of a putative nanoflare – from bright origins to blistering demise. Nanoflares are tiny eruptions on the Sun, one-billionth the size of normal solar flares. Eugene Parker – of Parker Solar Probe fame [2] – first predicted them in 1972 to solve a major puzzle: the coronal heating problem. A close-up of one of the loop brightenings studied in the article. Each inset frame zooms in...