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Is the Hubble Tension actually a Temperature Tension?

The Hubble tension is one of the biggest issues in modern cosmology. Why can we not agree on the expansion rate of the Universe? Today’s authors propose a solution: The actual disagreement might be in the assumed mean temperature of the cosmic microwave background.

#BlackInAstro Experiences: David Zegeye

Graduate student David Zegeye writes about his experience as a Black astronomer from Chicago, and about UChicago’s past and present vis-à-vis the land it occupies.

Beyond astro-ph

Astronomy beyond the research

Navigating careers in astronomy

Career advice

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