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5min chapter
Cosmic Queries – Black Hole Paradox with Matt O’Dowd
StarTalk Radio
How to Use Gravitational Lensing in Your Observations
The default model for dark energy is that it maintains a constant energy density. It will happen if the strength of this dark energy grows relative to gravity as the universe expands. The things that I am interested in are gravitationally lensed quasars. You can basically reconstruct what the quasar looks like because you have one more effect at play. And so over time, you see these, let's say there are four images, you see them flicker on different time scales.
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