Science and Technology, Grade 10 · Unit 12
Universe
Celestial bodies · Galaxies · Gravitational force
By the end of this lesson you can
🌌Define the universe and a celestial body
☄️Name and tell apart the kinds of celestial bodies
🧲Explain gravitational force as a mutual attraction
🪐Explain why planets and moons stay in their orbits
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The vast area around us, with every celestial body in it, is called the universe.