If the cosmic microwave background radiation (CMBR) is the remnant of the Big Bang’s fireball, we expect to see hot and coldregions in it. What are two causes of these wrinkles in the CMBR? Are the observed temperature variations greater or less thanoriginally expected?

If the cosmic microwave background radiation (CMBR) is the remnant of the Big Bang’s fireball, we expect to see hot and coldregions in it. What are two causes of these wrinkles in the CMBR? Are the observed temperature variations greater or less thanoriginally expected?

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Question

If the cosmic microwave background radiation (CMBR) is the remnant of the Big Bang’s fireball, we expect to see hot and cold
regions in it. What are two causes of these wrinkles in the CMBR? Are the observed temperature variations greater or less than
originally expected?

Expert Solution