World Science Scholars
6.4 Alan Guth Q&A
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In the second question, Professor Guth addresses what experiments could potentially rule out the BICEP2 results. Since recording, the Planck spacecraft collected the data that Professor Guth anticipated, which show that the initial observations were likely an artifact of interstellar dust, not primordial gravitational waves.

What are E-modes and B-modes?
What additional experiments could verify or rule out the BICEP2 results?
When you invented inflation, you were working on magnetic monopole production in the Big Bang. What is a magnetic monopole?
What is the magnetic monopole problem?

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