A black dwarf is a theoretical stellar remnant, specifically a white dwarf that has cooled sufficiently that it no longer emits significant heat or light. (Wikipedia.)
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omg ahh sorry I’m dumb lmao sksksksks k-
um a fact:
- In 2.3 billion years it will be too hot for life to exist on Earth
- In an entire lifetime, the average person walks the equivalent of five times around the world
Added a tag!
- The sound made when you crack your knuckles is because of the bubbles bursting from the synovial fluid (a viscous fluid necessary to lubricate joints).
Yes, because—if I remember correctly when I researched this earlier—they take about a quadrillion to form, and since the universe is still a few billion years old that would be impossible in this time.
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