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Category: Space & Sky

Browsing posts filed under "Space & Sky".

Quasar sighting by backyard astronomer

How do hobby astronomers differentiate quasars from stars using backyard telescopes?

Hobby astronomers differentiate quasars from stars primarily by detecting their extreme redshift using spectroscopy, observing their brightness variability over time, and cross-referencing potential candidates with professional astronomical databases.**

April 21, 2025

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