Gas giants—the species of planets to which our solar system neighbors Jupiter and Saturn belong—are truly fascinating. The largest of them, in fact, often evade easy categorization, as their size ...
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Could alien-built objects already be in our system?
A mysterious object has been identified as an “interstellar visitor” by NASA while shooting through our solar system, sparking discussions about its origin and nature. A Harvard astrophysicist ...
Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine ...
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