In astronomy, an occultation is when a celestial body or object — like the moon or a planet — passes in front of a distant ...
Harvard astrophysicist Avi Loeb has published a provocative essay posing a question that sounds ripped from science fiction: ...
What is “down” in the vastness of space? Scientists reveal how gravity, cosmic planes, and perspective redefine direction, ...
Morning Overview on MSN
Is there actually anything 'below' Earth out in space?
From the deck of a ship or the window of a plane, it feels obvious that “down” points toward Earth and “up” points toward the ...
When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...
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