Question of the Week Podcast

Question of the Week episode

Mon, 29th Nov 2010

How fast is the universe expanding?

The Cosmic Microwave Background temperature fluctuations from the 5-year Wilkinson Microwave Anisotropy Probe data seen over the full sky. (c) NASA / WMAP Science Team

Will the universe expand faster than the speed of light in the future? Is this even possible? Will there be a big crunch at the end? The answer's in this Question of the Week. Plus, we ask if it's possible to drink through your bottom!

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In this edition of Question of the Week

Full Transcript

  • What happens as the universe expands?

    The universe is expanding at an ever-increasing rate. a) How fast is that now? b) Presumably the limit will be the speed of light - what will happen then? Will the rate of acceleration slow down as we approach the speed of light or just suddenly stop? Will the universe begin to c...



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