![Graphic showing thousands of yellow dots around Earth. The dots represent orbital debris.](https://appel.nasa.gov/wp-content/uploads/2024/06/graphics-leo-300x300.jpg)
EPISODE 132: ORBITAL DEBRIS: REDUCING RISK WITH COST-EFFECTIVE STRATEGIES
A new NASA report titled “Cost and Benefit Analysis of Mitigating, Tracking, and Remediating Orbital Debris” compares the cost-effectiveness of several strategies that could reduce the risk of collisions between spacecraft, including the space station, and orbital debris.
![Small Steps, Giant Leaps Logo](https://appel.nasa.gov/wp-content/uploads/2018/11/Small_Steps_Giant_Leaps_Podcast_Cover_V2_300x300-300x300.jpg)
Small Steps, Giant Leaps
Tap into the experiences of NASA’s technical workforce as they develop missions to explore distant worlds—from the Moon to Mars, from Titan to Psyche. Learn how they advance technology to make aviation on Earth faster, quieter and more fuel efficient. Each biweekly episode celebrates program and project managers, engineers, scientists and thought leaders working on multiple fronts to advance aeronautics and space exploration in a bold new era of discovery. New episodes are released bi-weekly on Wednesdays.
![An artist’s concept design of NASA’s Lunar Terrain Vehicle. Two astronauts ride aboard this imagined version. Its lights are on. Credit: NASA](https://appel.nasa.gov/wp-content/uploads/2024/06/ltv-2022-closeup-final-1-e1718200477876-300x300.webp)
EPISODE 131: THE ARTEMIS LUNAR TERRAIN VEHICLE
![Ingenuity sits on Mars. It resembles a small box with four landing legs and rotors on top. The terrain is brownish-red with scattered pebbles and rocks.](https://appel.nasa.gov/wp-content/uploads/2024/05/240125-Mars-Ingenuity-helicopter-ew-406p-5e9112-e1716989659813-300x300.webp)
EPISODE 130: INGENUITY’S FINAL FLIGHT: LESSONS LEARNED
![](https://appel.nasa.gov/wp-content/uploads/2024/05/Tops_Badge_Nasa-black-300x300.png)
EPISODE 129: ACCELERATING DISCOVERIES WITH OPEN SCIENCE
![NASA has been discussing potential partnership opportunities with Bigelow for its inflatable habitat technologies as part of NASA's goal to develop innovative technologies to ensure that the U.S. remains competitive in future space endeavors. Photo Credit: NASA/Bill Ingalls](https://appel.nasa.gov/wp-content/uploads/2024/04/SSGL-128-Inflatable-Structures-300x300.jpeg)
EPISODE 128: ENGINEERING INFLATABLE STRUCTURES FOR SPACE
![Left to right: Tiffany Smith NASA Chief Knowledge Officer, Charles Hunt from the Office of the Chief Financial Officer, Akosua A. Taylor CPMO support (detail), Adrienne Ross CPMO Executive Assistant, Ellen Stigberg CPMO support, Justin Hornback CPMO support (detail), Kevin Gilligan CPMO support, and Chief Program Management Officer (CPMO) Dave Mitchell. Not Pictured: Tracy Osborne OCE support, Mary Skow OSMA support. Credit: NASA](https://appel.nasa.gov/wp-content/uploads/2024/04/SSGL-127-Chief-Program-Management-Officer-Dave-Mitchell-square-300x300.png)
EPISODE 127: CHIEF PROGRAM MANAGEMENT OFFICER
![](https://appel.nasa.gov/wp-content/uploads/2024/03/Artemis-Gateway-artist-concept-300x300.jpg)
EPISODE 126: GATEWAY: THE LOGISTICS OF AN OUTPOST AT THE MOON
![Artemis I artist's concept - returning home. Credit: NASA/Liam Yanulis](https://appel.nasa.gov/wp-content/uploads/2024/03/SSGL-125-artemis-1-lessons-learned-300x300.jpg)
EPISODE 125: CAPSTONE PROJECT: ARTEMIS I LESSONS LEARNED
![Seen here at the Marshall Space Flight Center in Huntsville, Alabama, and developed with the same 6061-RAM2 aluminum material used under the RAMFIRE project (Reactive Additive Manufacturing for the Fourth Industrial Revolution), is a vacuum jacket manufacturing demonstrator tank. The component, made for cryogenic fluid application, is designed with a series of integral cooling channels that have a wall thickness of about 0.06 inches. Photo Credit: NASA](https://appel.nasa.gov/wp-content/uploads/2024/02/SSGL-124-In-Space-Manufacturing-300x300.png)
EPISODE 124: THE GAME-CHANGING POTENTIAL OF IN-SPACE MANUFACTURING
![Aerospace Engineer, Daniel Senai, inspects the completed Ocean Color Instrument Solar Calibration Assembly (SCA) Life Test Unit mechanism. Credit: Henry, Dennis (Denny)](https://appel.nasa.gov/wp-content/uploads/2024/02/GSFC_20210916_PACE_94970_2000w-copy-300x300.jpg)