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[Unlocking the Secrets of the Solar System: The Mission of Lucy the Satellite]-[Lucy The Space Archaeologist (12/18/23)]

Wow in the World · B1 · 2023-12-18

Preschool Enlightenment
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📋 Summary

Exploring the Origins of Our Solar System: The Lucy Mission

In this episode of Wow in the World, hosts Mindy Thomas and Guy Raz embark on an educational journey to explore NASA's latest mission: the Lucy satellite. By drawing parallels between archaeology on Earth and space exploration, the show explains how scientists intend to use this mission to uncover the mysteries of our solar system's formation.

The Archaeologist of Space

NASA has named its new satellite "Lucy" after the famous archaeological fossil discovery. Just as archaeologists dig through the "rubble of ancient civilizations" to understand human history, Lucy the satellite is designed to explore the "rubble" of our solar system. The mission's primary objective is to study the Trojan asteroids—two clusters of asteroids orbiting the sun at roughly the same distance as Jupiter—to determine how planets were formed billions of years ago.

Why Study the Trojans?

Scientists hold a hypothesis that these Trojan asteroids are essentially the remnants of a "failed planet" that tried to form long ago but couldn't. Mindy compares these asteroids to "cookie crumbs" on a rug, explaining that by studying these building blocks, researchers can gain insight into the construction of the other planets in our solar system. Much like an archaeologist visits an "ancient construction site" to understand how a structure was built, Lucy will examine these asteroids to reveal the history of our cosmic neighborhood.

How Lucy Works

Lucy is described as being about the size of a "school bus" (roughly 46 feet across). Despite her relatively small size, she is equipped with advanced technology powered by large solar panels, which Mindy refers to as "metal wings." The satellite will perform "flybys" of several asteroids, including Eurybates, Polymele, Leucus, and Orus.

During these encounters, Lucy will utilize several scientific tools:

  • High-Resolution Cameras: Used to count craters on the asteroid surfaces. Mindy notes that "older asteroids will have more craters" because they have been "banged up" by space debris over time, acting as a record of their age.
  • Thermal and Multispectral Cameras: These instruments allow Lucy to analyze what the asteroids are "made up of" and what exists on their surfaces without ever needing to touch down.

A Whirlwind Tour of the Future

The episode highlights the ambitious itinerary of the mission, which spans several years. Lucy's journey is a long-term commitment, with the satellite scheduled to visit different clusters of asteroids through 2028. The mission will culminate in the study of two massive asteroids, Patroclus and Menoetius, which are nearly 100 miles in diameter—an impressive scale that Mindy equates to "400 Empire State Buildings piled on top of each other."

Through this engaging exploration, Wow in the World successfully breaks down complex planetary science, showing that even the smallest "crumbs" in space can hold the biggest answers about our origins.

🎯Key Sentences

1
Suit yourself.
2
Just in time.
3
I'd rather show you.
4
Give or take.
5
You know it.
Expand All

📝Key Phrases

1
music to your ears
2
get on with the show
3
just in time
4
serves up
5
think fast
Expand All

📖 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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