Did You Know?
The most extreme object known combines three types of cosmic phenomena.
PSR J0952-0607 is simultaneously a pulsar, a millisecond pulsar, and a black widow pulsar. It spins 707 times per second, gradually destroying its companion star, and demonstrates some of the most extreme physics known in the universe.
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The most distant human-made object is now in interstellar space.
Voyager 1, launched in 1977, became the first human-made object to enter interstellar space in 2012. It's now...
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Some galaxies have no dark matter.
NGC 1052-DF2 is the first galaxy discovered that appears to contain no dark matter, which challenges our understanding...
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There’s a planet with a surface temperature of 4,300°C, hotter than some stars.
KELT-9b is the hottest known exoplanet, with a dayside temperature hotter than many stars. It's so hot that...