NASA Massive comet zooming through solar system could be alien technology, Harvard astrophysicist says

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a ...
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"Major Anomaly" As Interstellar Object 3I/ATLAS Measured To Be Over 33 Billion Tons

A new study has attempted to pin down the properties of interstellar comet 3I/ATLAS, finding it is "anomalously massive" at around 33 billion tons. On July 1, 2025, astronomers spotted an object ...
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Size Comparison - Biggest vs Smallest Objects in the Universe!

Biggest vs smallest - how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, ...