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2021-03-16: The NEW Crisis in Cosmology
- 02:07: ... on a long chain of distance measurements that we call the cosmic distance ladder. First you measure distances to objects in the solar ...
- 03:55: ... that the supernova method is a pretty high rung on the cosmic distance ladder - which means if any rung below it is broken, the method ...
- 10:40: ... in these flickering lenses, we can get a measurement of cosmic distances, and with that a measurement of the expansion rate ...
- 11:57: ... and so can be used to measure the expansion rate without the cosmic distance ladder. We’re calling these black hole mergers ...
- 12:25: ... of the universe - whether it’s a crack in the rung of the cosmic distance ladder or something more fundamental about how the ...
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