What is it about?
The apparent (gravitational) horizon in cosmology
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Why is it important?
This horizon is indispensable to a proper interpretation of the cosmological data.
Perspectives
Understanding the apparent (gravitational) horizon of the Universe brings the cosmic spacetime more in line with other applications of general relativity.
Professor Fulvio Melia
University of Arizona
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This page is a summary of: The apparent (gravitational) horizon in cosmology, American Journal of Physics, August 2018, American Association of Physics Teachers (AAPT),
DOI: 10.1119/1.5045333.
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