The Countdown

The Countdown

What’s happening in space, right now!

5 Essential Facts about Gravity Waves from the Big Bang – The Countdown, Episode 44


On March 17th, physicists with the BICEP2 experiment announced they had detected the remnant of gravity waves in the cosmic microwave background, the light left over from the Big Bang. While still needing confirmation, the discovery lends weight to the idea that the early universe underwent rapid expansion.

More to explore:

BICEP2 page

Simple Gravitational Waves

All You Need to Know about Gravitational Waves

Video credits -

Host/writer: Sophie Bushwick

Production Assistant: Geoffrey Giller

Editor: Kathryn Free

Producer: Eric R. Olson

The views expressed are those of the author and are not necessarily those of Scientific American.

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