Did JWST Identify Dark Matter Stars?
PBS Space Time

Did JWST Identify Dark Matter Stars?

B2Upper-intermediateOctober 31, 202622 min
  • One speaker
  • Science

Check Out Human Footprint on PBS Terra: https://youtu.be/-c_KBWyPGaQ PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime We knew that the James Webb Space Telescope would find interesting stuff, especially about the mysterious early times. For example, there are hints that the galaxies we’re seeing are brighter and more regular than expected given the short amount of time they’d had to grow. Well, perhaps no one was...

Play episode

Opens the player: the full transcript, every word clickable, with translation and flashcards.

Try it: tap any word

Real sentences from the start of this episode. Every word is marked with its level.

Sentence 1 of 12 · 0:00

,

the mysterious early epoch of the universe. For example, there are hints that the galaxies

Hear this sentence

Tap a word to see its meaning in your language.

Do you know these words?

8 harder words from this episode. Tap one to see what it means, then mark it.

  • B22:07
  • B24:22
  • C15:22
  • C26:56
  • B210:02
  • C112:14
  • B214:25
  • B217:56

Mark a few words and we'll tell you how this episode fits your level.

Is this episode right for you?

B2

B2 · Upper-intermediate

Comfortable if you already follow TV news

A1 14%A2 37%B1 30%B2 17%C1 2%
  • 81% of the words are B1 or easier.
  • 142 words a minute: a natural pace.
  • 131 harder words (B2 and up) in the whole episode.

Transcript

The opening of the episode. The whole transcript is in the player.

0:00

We knew that the James Webb Space Telescope would find interesting stuff, especially about the mysterious early epoch of the universe. For example, there are hints that the galaxies we're seeing there are brighter and more regular than expected given the short amount of time they'd had to grow. But perhaps no one was expecting that we would find a completely new

0:19

type of star. One powered by dark matter and shining as bright as an entire galaxy, which by the way might help us explain those pesky giant galaxies. In April, a paper was published in Nature Astronomy reporting the observation of four objects – Jades GSZ10-0 through Jades GSZ13-0.

0:45

We'll call these Z10 through Z13 for short. Not very poetic, but space is so big we ran out of cool names decades ago. Admittedly, these don't look all that impressive. They're basically just dots, but that's true of anything too far away to properly

That was the opening. The rest of the episode (21 min) is in the player: every word clickable, with translation, saved words and flashcards.

Continue in the player

Automatically generated from the audio. May contain errors. Audio belongs to its publisher and is played from their feed. Rights holders can request removal — copyright & takedown policy