UN is closely watching alien comet 3I/ATLAS. Here's why.
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The comet—only the third known interstellar visitor to our solar system—will make its closest approach of the Earth this week.
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Could the Star of Bethlehem have actually been a comet?
The direction, distance and motion of the comet through the sky during its closest approach could have made it seem like it was hovering over Bethlehem when Jesus was said to have been born.