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Why hasn't light from the earliest galaxies gone past us? episode artwork

EPISODE · May 23, 2025 · 4 MIN

Why hasn't light from the earliest galaxies gone past us?

from Question of the Week, from the Naked Scientists · host Dr Chris Smith

Darren wants to know, 'Why can we see the light from the first galaxies. Why hasn't that light already passed us if it is from so long ago when the universe was smaller.' Strap in for a mind bending journey across the universe with James Tytko and Daniel Whiteson, Professor of Physics and Astronomy at the University of California, Irvine. Be sure to check out Daniel's podcast: 'Daniel and Kelly's Extraordinary Universe.' Like this podcast? Please help us by supporting the Naked Scientists

What this episode covers

Darren wants to know, 'Why can we see the light from the first galaxies. Why hasn't that light already passed us if it is from so long ago when the universe was smaller.' Strap in for a mind bending journey across the universe with James Tytko and Daniel Whiteson, Professor of Physics and Astronomy at the University of California, Irvine. Be sure to check out Daniel's podcast: 'Daniel and Kelly's Extraordinary Universe.' Like this podcast? Please help us by supporting the Naked Scientists

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Why hasn't light from the earliest galaxies gone past us?

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Frequently Asked Questions

How long is this episode of Question of the Week, from the Naked Scientists?

This episode is 4 minutes long.

When was this Question of the Week, from the Naked Scientists episode published?

This episode was published on May 23, 2025.

What is this episode about?

Darren wants to know, 'Why can we see the light from the first galaxies. Why hasn't that light already passed us if it is from so long ago when the universe was smaller.' Strap in for a mind bending journey across the universe with James Tytko and...

Can I download this Question of the Week, from the Naked Scientists episode?

Yes, you can download this episode by clicking the download button on the episode player, or subscribe to the podcast in your preferred podcast app for automatic downloads.
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