Neil Armstrong, the first man to set foot on the moon.

It suddenly struck me that that tiny pea, pretty and blue, was the earth.

I didn't feel like a giant.

I felt very, very, very small.

In the vast immensities of space, we humans are mere specks.

Or are we?

Uncommon knowledge now.

Welcome to

Now. Welcome to Uncommon Knowledge. I'm Peter Robinson. A senior lecturer at Western Sydney University in Australia, the

astrophysicist Luke Barnes received his doctorate from Cambridge.

Dr Barnes is co-author of a fortunate universe, life in a finely tuned Cosmos.

The cosmologist Brian Keating completed his doctoral work at Brown. He now serves

as professor of physics at the University of California at San Diego and as director of the

Simmons Observatory in Chile.

Simons Observatory.

Simons Observatory.

Did I mispronounce both?

It's a Simons Observatory in Chile.

From the principal investigator of the Sim's Observatory in Chile.

I will never forget, and nor will anybody else.

Dr Keating is the author of Losing the Nobel Prize,

A Story of Cosmology, Ambition, and The Perils of Science's highest honor.

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