Neil deGrasse Tyson
👤 Speaker
18857
total appearances
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Podcast Appearances
StarTalk Radio
Cosmic Queries – Total Darkness
So virulization is the sharing of that energy.
StarTalk Radio
Cosmic Queries – Total Darkness
So it drops the energy of the high energy objects.
StarTalk Radio
Cosmic Queries – Total Darkness
It could be thermal energy, it could just be orbital energy, and the lower energies come up.
StarTalk Radio
Cosmic Queries – Total Darkness
But it's a whole branch of physics.
StarTalk Radio
Cosmic Queries – Total Darkness
We talk about virilization of... Of galaxies.
StarTalk Radio
Cosmic Queries – Total Darkness
Of matter in whatever situation.
StarTalk Radio
Cosmic Queries – Total Darkness
So the ratty-looking galaxy clusters tend to not have been virilized.
StarTalk Radio
Cosmic Queries – Total Darkness
And by the way, we, moving around the center of our galaxy, takes about...
StarTalk Radio
Cosmic Queries – Total Darkness
That's much smaller than the age of the galaxy, which is 13 billion.
StarTalk Radio
Cosmic Queries – Total Darkness
13 billion years, right.
StarTalk Radio
Cosmic Queries – Total Darkness
Yeah, so galaxies are in a mature shape.