Big Picture Science – Big Questions Somewhat Answered

by Gary Niederhoff on January 19, 2015

Big Picture Science – Big Questions Somewhat Answered

Here are questions that give a cosmologist – and maybe even you – insomnia: What happened after the Big Bang? What is dark matter? Will dark energy tear the universe apart?

Let us help you catch those zzzzs. We’re going to provide answers to the biggest cosmic puzzlers of our time. Somewhat. Each question is the focus of new experiments that are either underway or in the queue.

Hear the latest results in the search for gravitational waves that would be evidence for cosmic inflation, as well as the hunt for dark matter and dark energy. And because these questions are bigger than big, we’ve enlisted cosmologist Sean Carroll as our guide to what these experiments might reveal and what it all means.

Listen to individual segments here:
Part 1: The Big Bang
Part 2: Cosmic Inflation
Part 3: SPIDER!
Part 4: Dark Matter
Part 5: Dark Energy
Part 6: WFIRST
Part 7: Cosmology Summary

{ 1 comment… read it below or add one }

avatar Richard January 28, 2015 at 6:45 am

Here’s a question about dark energy:
1. We surmise there is dark energy because the expansion of the Universe is accelerating.
2. How do we know it is accelerating? Because the light from type 1A supernovae is dimmer in the more distant galaxies than the nearer ones?
Question – Could this be because there is more dust between us and the more distant galaxies than the nearer ones? Could this explain the dimness or is there another reason why this cannot be the reason?

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