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Space & Astronomy
Hyades Cluster
The Hyades is the nearest open star cluster to Earth, serving as a benchmark for stellar astrophysics and Galactic dynamics.
Space & AstronomyMilky Way
The Milky Way is the sprawling barred spiral galaxy that cradles our Solar System, appearing from Earth as a luminous band of hazy light arching across the night sky.
MathematicsParsec
The parsec is an astronomical unit of distance defined as the distance at which one astronomical unit subtends an angle of one arcsecond, approximately 3.26 light-years.