Astronomers Vicent Martínez and Bernard Jones explain the mystery of the Hubble tension, and why it matters so much for our understanding of the universe, on The Conversation Weekly podcast.
It’s one of the biggest puzzles in cosmology. Why two different methods used to calculate the rate at which the universe is expanding don’t produce the same result. Known as the Hubble tension, the enigma suggests that there could be something wrong with the standard model of cosmology used to explain the forces in the universe.
In February, the Nobel prize-winning physicist Adam Reiss, published a new paper. It said that new observations of far-away stars using the JWST matched those obtained by the Hubble Space Telescope. Reiss said that when the new data confirmed the earlier observations from the Hubble Space Telescope, the gap between the numbers remains unresolved. “What remains is the real and exciting possibility that we have misunderstood the universe,” he said.
Vicent Martínez and Bernard Jones are fascinated by the Hubble tension. Jones is an emeritus professor of astronomy at the University of Groningen in the Netherlands. Martínez, his former student, is now a professor of astronomy and astrophysics at the University of València in Spain. It could happen that, for example, a new theory of gravity could solve the problem of dark energy or dark matter. We have to be open to those ideas.
Audio Cosmology Educate Me Hubble Space Telescope Hubble Constant James Webb Space Telescope (JWST) Podcasts The Conversation Weekly
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