logo
episode-header-image
Jan 2022
25m 44s

The James Webb Time Machine

Vox
About this episode
To look into deep space is to look back in time. Ahead of the launch of the James Webb Space Telescope, Unexplainable talked to scientists who hope to see “cosmic dawn,” a period long ago when the first starlight transformed the universe. Transcript at vox.com/todayexplained Support Today, Explained by making a financial contribution to Vox! bit.ly/givepodca ... Show More
Up next
Yesterday
The price of the Iran war
Gas prices are spiking in the US. Markets are crashing. The whole world will pay for this war. This episode was produced by Kelli Wessinger and Avishay Artsy, edited by Amina Al-Sadi, fact-checked by Andrea Lopez-Cruzado, engineered by Patrick Boyd and David Tatasciore, and hoste ... Show More
25m 50s
Mar 9
Is Cuba next?
If you take the president at his word, the answer is yes. This episode was produced by Dustin DeSoto, edited by Amina Al-Sadi, fact-checked by Andrea Lopez-Cruzado, engineered by Patrick Boyd and David Tatasciore, and hosted by Noel King. An apple seller walking past a figure hol ... Show More
27m 15s
Mar 8
Your clutter is holding you back
You won’t wear those jeans again. Or use that pasta maker. So why can’t you get rid of them? This episode was produced by Ariana Aspuru with Avishay Artsy, edited by Jenny Lawton, fact-checked by Melissa Hirsch, engineered by David Tatasciore, and hosted by Jonquilyn Hill. Photo ... Show More
30m 23s
Recommended Episodes
Sep 2021
The James Webb Time Machine
To look into deep space is to look back in time. With the upcoming launch of the James Webb Space Telescope, scientists hope to see “cosmic dawn,” a period long ago when the first starlight transformed the universe. But what happened before cosmic dawn? The Webb can’t tell us, th ... Show More
28m 30s
Dec 2023
Something weird near the beginning of time
The James Webb Space Telescope launched two years ago, giving scientists a new view into the early universe. Now, it's revealed a big new cosmic mystery. For show transcripts, go to bit.ly/unx-transcripts For more, go to http://vox.com/unexplainable It’s a great place to view sho ... Show More
21m 1s
Sep 2021
The James Webb Space Telescope
After decades of planning, NASA is finally (finally!) set to launch the successor to the Hubble. The new Webb telescope will be a paradigm shift for astronomy, exploring places in the cosmos that have been completely invisible to us until now. But first, it has to safely reach a ... Show More
26m 28s
Jul 2022
What’s the James Webb telescope searching for?
A lava planet, life on other worlds, the very first starlight in the universe — the most powerful space telescope ever built is ready to reveal many mysteries of the cosmos. For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more abo ... Show More
48m 53s
Jul 2022
A View of the Beginning of Time
<p>Ancient galaxies carpeting the sky like jewels on black velvet. Fledgling stars shining out from deep within cumulus clouds of interstellar dust. Hints of water vapor in the atmosphere of a remote exoplanet.</p><p>This week, NASA released new images captured from a point in sp ... Show More
29m 15s
Jan 2023
Henrietta Leavitt and the end of the universe
In the early 1900s, Henrietta Leavitt made one of the most important discoveries in the history of astronomy: a yardstick to measure distances to faraway stars. Using this tool, scientists eventually transformed our understanding of the universe. They realized space was expanding ... Show More
31m 40s
Dec 2021
The James Webb Space Telescope Is About To Launch
Soon the highly anticipated James Webb Space Telescope will blast off into space, hurtling almost a million miles away from Earth, where it will orbit the Sun. Decades in the making, scientists hope its mission will last a decade and provide insights into all kinds of things, inc ... Show More
14m 28s
Jun 2021
Henrietta Leavitt and the end of the universe
In the early 1900s, Henrietta Leavitt made one of the most important discoveries in the history of astronomy: a yardstick to measure distances to faraway stars. Using this tool, scientists eventually transformed our understanding of the universe. They realized space was expanding ... Show More
31m 20s
Jul 2022
Discovery of the Fastest Known Star
SpaceTime Series 25 Episode 78<br />*Discovery of the fastest known star<br />Astronomers have discovered the fastest known star in the Milky Way orbiting Sagittarius A* the Supermassive black hole at the galactic centre in just four Earth years.<br />*Physicists confront the neu ... Show More
24m 56s