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[The Martian Ocean Mystery: Exploring the Red Planet's Ancient Waters]-[WeWow Summer Week 2023 – Day 1: Build-A-Beach (6/19/23)]

Wow in the World · B1 · 2023-06-19

Preschool Enlightenment
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📋 Summary

The Quest for Ancient Martian Waters

In this episode of Wow in the World, hosts Mindy Thomas and Guy Raz embark on a whimsical scientific journey to explore the history of water on Mars. Inspired by a recent study from NASA scientists, the duo investigates the compelling evidence suggesting that Mars was not always the dry, dusty planet we observe today. Instead, billions of years ago, the Red Planet likely hosted vast bodies of water, potentially including an ocean roughly 2,000 feet deep that covered a quarter of the planet.

The Disappearance of the Martian Ocean

One of the central scientific inquiries addressed in the episode is: "What happened to all this water?" The hosts discuss two primary theories supported by modern research:

  1. Solar Wind Depletion: Scientists hypothesize that high-energy particles blasted from the sun—referred to as "solar winds"—acted like a "giant hand dryer," breaking down water molecules into hydrogen and oxygen and stripping them away into space.

  2. Absorption into Rocks: A significant portion of the water, potentially up to 99%, may have been "sucked up into the rocks." By analyzing data from rovers that have traversed the Martian surface for two decades, scientists identified "hydrated minerals." These minerals contain water within their crystal structure, serving as geological evidence that the surface was once soaked by liquid water over a period spanning at least a billion years.

The Role of the Perseverance Rover

During their fictional excursion to modern-day Mars, Mindy and Guy Raz encounter the real-life Perseverance Rover. This robotic explorer, sent by NASA in 2021, is critical to the search for evidence of extraterrestrial life. The hosts emphasize the scientific consensus that "water is key to creating life in the universe." By investigating ancient, dried-up riverbeds where water once flowed, the rover aims to determine if life ever thrived on Mars. The potential discovery of such evidence would be transformative, fundamentally shifting our understanding of the universe and our planet's place as a uniquely life-sustaining world.

Conclusion: A New Appreciation for Earth

After their chaotic adventure—which involved a malfunctioning "Wow Machine" and an accidental brush with a $2.2 billion piece of NASA technology—Mindy and Guy Raz conclude that while the history of Mars is scientifically fascinating, Earth remains the superior destination for a beach day. The episode blends rigorous scientific concepts, such as mineral hydration and atmospheric depletion, with the show's signature humor, ultimately encouraging young "Wowzers" to continue exploring the mysteries of the solar system.

🎯Key Sentences

1
I think we should keep it going all week.
2
I gotta say, I do like the beach vibes in here.
3
I'm kind of, ugh, buried under here.
4
What in the wow are you talking about?
5
Want to turn Mars into our very own private beach resort?
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📝Key Phrases

1
music to your ears
2
get on with the show
3
hands-on
4
crash course
5
beach vibes
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📖 Transcript

Grownups, Wondery Plus subscribers can listen to Wow in the World early and ad-free right now.
Join Wondery Plus in the Wondery app or Wondery Kids Plus on Apple Podcasts.
Hey, Wowzer fans, Mindy here.
And before we start the show, I gotta let you know that this November, with a special new episode featuring our friends at Circle Round and Terrestrials on Radiolab for Kids,
And don't miss when Elmo from Sesame Street stops by Wow in the World to make us all belly laugh on November 24th.
Oh, but that's not all, Reg.

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