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6π π· πΆπ π°π³π΄ π΄π°π π π· π π²πΈπ΄π½π²π΄: π π½πΈπ 1 πΏπ πΎπΆπ π΄π π πΈπΎπ½ 2 S6E1.c-e
This collection includes S6E1.c, S6E1.d, and S6E1.e: Gravity and Inertia, Planets in the Solar System, and Space Junk (meteoroids, asteroids, and comets)