Can the Moon have its own moon? ⚡ экспресс
Original: "A revision of the lifetime of submoons: tidal dynamics with the Euler-Lagrange equation"
Research shows: moons can have their own moons, and some of them could be habitable.
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The Moon can have its own tiny moons. Gravity allows an asteroid to orbit the Moon for billions of years. But if such a baby moon gets too big, it will destabilize the orbit and fly away. Scientists say that around warm Jupiters, such moons could become real homes for life. ✨
🎯 Saturn's moon Rhea may have once had a dusty ring — almost submoons.