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\nThe NEW Crisis in Cosmology\n

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\n\nPublisher:\n\nPBS\n\n\n
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\nI have good news and bad news. Bad news first: two years ago we reported on the Crisis in Cosmology. Since then, it’s only gotten worse. And actually, the good news is also that the crisis in cosmology has actually gotten worse, which...\nI have good news and bad news. Bad news first: two years ago we reported on the Crisis in Cosmology. Since then, it’s only gotten worse. And actually, the good news is also that the crisis in cosmology has actually gotten worse, which means we may be onto something!

The most exciting thing for any scientist is when something they thought they knew turns out to be wrong. So it’s no wonder that many cosmologists are starting to get excited by what has become known as the Hubble tension, or the crisis in cosmology. The “crisis” is the fact that we have two extremely careful, increasingly precise measurements of how fast the universe is expanding which should agree with each other, and yet they don’t. \n
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Resource Details

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Curator Rating
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Educator Rating
Not yet Rated
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Media Length
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13:08
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Grade
12th - Higher Ed
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Subjects
Science
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Media Type
Instructional Videos
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Source:
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\nPBS Space Time\n\n
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Date
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2021
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Language
English
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Audiences
For Teacher Use
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Usage Permissions
Fine Print: Educational Use
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Concepts

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space, time, outer space, quantum mechanics, astrobiology, black holes, the universe, science fiction
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Additional Tags

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physics, astrophysics, space physics, pbs, space time, pbs space time, matt o’dowd, einstein, einsteinian physics, general relativity, special relativity, dark energy, dark matter, math, calculus, maths, holographic universe, holographic principle, rare earth, anthropic principle, weak anthropic principle, strong anthropic principle, distance measures, bad news, standard candles, good news, years ago, cepheid variables, stellar parallax, hubble constant, expansion rate, gaia mission, nearby stars, distance ladder, parallax measurements, true brightness
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