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Planetary Defenders: This Is Not an Exercise

Name: Planetary Defenders: This Is Not an Exercise
Released: 2026-09-28

2026

Trailer

When a newly discovered asteroid posed a potential risk to Earth, a global planetary defense system was put to the test like never before. Planetary Defenders: This Is Not an Exercise tells the story of how NASA, its international partners, the astronomy community, and scientists around the world raced to observe and track the asteroid, understand its orbit into the future, calculate its impact probabilities, and eventually retire it from the risk list.

Release Date

2026-09-28

Status

Released

Original Title

Planetary Defenders: This Is Not an Exercise

Runtime

20 min

Original Language

EN

Production Companies

NASA

Overview

When a newly discovered asteroid posed a potential risk to Earth, a global planetary defense system was put to the test like never before. Planetary Defenders: This Is Not an Exercise tells the story of how NASA, its international partners, the astronomy community, and scientists around the world raced to observe and track the asteroid, understand its orbit into the future, calculate its impact probabilities, and eventually retire it from the risk list.

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