In astronomy, we tend to use miles or kilometers for nearby objects like the Moon and Venus, and light-years or parsecs for star distances. Parsec is street slang for professional astronomers but usually bewildering to the public, since it’s based on angles rather than tape-measure-like distances. So, visualizing cosmic vastness starts with tackling that termContinue reading “Strange Universe: Empty conclusions”

The post Strange Universe: Empty conclusions appeared first on Astronomy Magazine.

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