Earth is gaining a temporary second moon this autumn
In short: A small asteroid is set to become our planet's newest natural satellite for a few months. This video explains the mechanics of how these celestial captures happen and why there is no cause for alarm.
The object, designated 2024 PT5, is a small rocky body only a few meters in diameter. It will enter Earth's area of interest on September 29 and remain captured as a "quasi-moon" until November 25.
While media headlines often frame this as an extraordinary event, the video clarifies that it follows standard laws of celestial mechanics. These captures occur when asteroids from remote parts of the solar system pass close enough to be briefly held by Earth's gravity.
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Sources
- Summary by Intellect · source: Mystery Object: Is a Quasi-Moon Really Circling Earth?
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