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date: 28 November 2021

p. 746. What's the matter with the Universe?locked

p. 746. What's the matter with the Universe?locked

  • Peter Coles

Abstract

Is the Universe infinite or does it have a limit? Will the Big bang end in a Big Crunch? Can we describe space as curved? How much matter is there? What does it look like? ‘What's the matter with the Universe?’considers the importance of a number known as Ω (Omega), which astronomers have long grappled with. Dramatic progress in the development and application of new technology now suggests the possibility that the value of Ω may actually be close to being discovered. However, recent work finds that Ω may not hold all the answers and its value might not be so easy to define. Why is Ω so important and its value so elusive?

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