Space & Cosmos
Mind-blowing facts about our universe, from quantum physics to galactic phenomena.
Did You Know?
A day on Mercury is twice as long as its year.
Due to Mercury's slow rotation and fast orbit, it takes 176 Earth days for the Sun to move...
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The largest storm ever observed was bigger than Earth itself.
The Great Dark Spot on Neptune, observed by Voyager 2 in 1989, was large enough to contain the...
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Europa shoots water into space from 125-mile-high geysers.
Jupiter's moon Europa has massive water plumes that shoot from cracks in its icy surface. These geysers are...
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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...
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The fastest-growing black hole consumes the equivalent of one Earth per second.
A supermassive black hole designated J2157-3602 is growing so rapidly that it consumes mass equivalent to our planet...
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A spoonful of a white dwarf star would weigh several tons.
White dwarfs are the remnants of stars like our Sun after they've exhausted their nuclear fuel. They're incredibly...
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Some planets orbit their stars in figure-eight patterns.
In binary star systems, planets can follow complex figure-eight orbital patterns due to the gravitational influence of both...
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Jupiter’s moon Io has lakes of liquid sulfur.
Due to intense tidal heating from Jupiter, Io has lakes of molten sulfur on its surface that can...
Did You Know?
There’s a planet where it snows titanium dioxide.
On Kepler-13Ab, a planet 1,730 light-years from Earth, it snows titanium dioxide - the same compound used in...