JWST detects possible aurora on distant brown dwarf
The aurora detected on this cold, isolated failed star is puzzling astronomers, who aren’t sure what’s causing the light show.
Source: astronomy.com
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When the fuel's all gone... | ScienceBlogs
"Some painters transform the Sun into a yellow spot, others transform a yellow spot into the Sun." -Pablo Picasso But the Sun will not always be a bright spot. Though it has shone for billions of years already, and will continue to shine for billions of years more, it's currently doing this by burning its hydrogen fuel -- through the fires of nuclear fusion -- into the heavier element of helium.
Source: scienceblogs.com