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Universe Today Podcast

Vetenskap Astronomi

Episode 488: 372: Dark Energy Seems To Be Changing Over Time. Leading To A Big Rip?

11 min•4 februari 2019

Astronomers working with the NASA’s Chandra X-Ray Observatory and ESA’s XMM-Newton have developed a technique to watch quasars and track the expansion of the Universe over the last 9 billion years. What they found is that the mysterious dark energy that’s currently accelerating the expansion of the Universe doesn’t appear to be a fixed amount. It’s changing, and appears to be increasing over time. If true, it’s a groundbreaking discovery in cosmology, and it could just fortel the end of the Universe.

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