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Neil deGrasse Tyson

๐Ÿ‘ค Speaker
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18489 total appearances
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Appearances Over Time

Podcast Appearances

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

So he knows that photons have to go, you know.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Right.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Well, he's thinking that dark is penetrating the room.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Right.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

But light is exiting the room.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Right.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

When you turn off the light.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

The light gets absorbed and it's gone.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Your eyes are not the ultimate arbiter of whether there are photons in the room.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Right.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Because your eyes only see red, orange, yellow, green, blue, violet.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Roy G. Biv.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Oh, sorry, indigo, violet.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Indigo, violet.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

If you've got to get the Biv going there.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Yeah.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

You know, Isaac Newton put in the eye.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Did he?

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Yeah.

StarTalk Radio
Cosmic Queries โ€“ Total Darkness

Because he was fascinated, mystically fascinated by the number seven.