High-resolution imaging of Dyson sphere candidate reveals no radio signals
In the more than 60 years in which scientists have engaged in the Search for Extraterrestrial Intelligence (SETI), several ...
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This incredible ring turns into an ancient astronomy tool
The British Museum has a collection of several armillary sphere rings that are incredibly ... important tools to grasp advanced concepts of astronomy, but for others, they were almost a way ...
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Why do some planets have moons? A physics expert explains why Earth has only one moon while other planets have hundreds
Moons are either gravitationally captured if they are within what’s called a planet’s Hill sphere radius, or they’re formed along with a solar system. Objects exert a gravitational force of ...