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1 result for “transformations engines”
- The Perpetually Curious! › Canonical › Cosmic ExplorationArticle
🛰️ When Fire Meets Air: How Spacecraft Reenter Earth’s Atmosphere
From section: Frequently Asked Questions+… A controlled return usually begins with a retrograde deorbit burn. The spacecraft briefly fires its engines or thrusters opposite its direction of travel, reducing its orbital speed enough to lower part of its path into denser atmosphere. The maneuver does not slow the spacecraft for landing by itself. …