Hubble has revealed a strange cosmic object called Cloud-9, a dark matter–dominated cloud with no stars at all. Scientists ...
Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...
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Super-low-density worlds reveal how common planetary systems form
Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...
Using NASA's James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A, one ...
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