The Dominant Force in the Universe

25 May 2012

When did Dark Energy become the dominant force in the universe? In this month's Naked Astronomy, we look back at the history of our expanding universe to find out when gravity lost its grip. We also examine the global trade in meteorites to explore the tension between scientists and collectors. Plus, we answer a bumper crop of your questions.

In this episode

Could we detect evidence of civilisation on the night side of a transiting planet?

When Dark Energy Took Over
with Prof. Will Percival and Dr Rita Tojero, University of Portsmouth

Could Dark Matter be interfering with our measurement of G?

Are there limits to what we can understand about the universe?

The International Meteorite Market
with Audrey Tempelsman

Are some galaxies moving so fast as to be invisible?

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