Meaning: Meteors burn up in the Earth's atmosphere.
Choice of Words: Meteors are small pieces of rock or metal that enter the Earth's atmosphere and burn up, burn means to be on fire, and sky is the region of the atmosphere above the Earth.
Alternative Expressions
Fireballs streak through the sky
Meaning: This sentence describes what fireballs look like when they move through the sky. It's like saying, Fireballs are very bright meteors that leave a long trail of light behind them as they move quickly through the sky.
Choice of Words: A fireball is a very bright meteor that leaves a long trail of light in the sky. Streak means to move quickly through the air. The sky is the space above the Earth, where the sun, moon, and stars are. When you put these words together, "Fireballs streak through the sky" means that fireballs move quickly through the sky, leaving a long trail of light behind them.
Shooting stars light up the night
Meaning: This sentence describes what shooting stars look like when they appear in the night sky. It's like saying, Shooting stars are meteors that make the night sky bright with their streaks of light.
Choice of Words: A shooting star is a meteor that is visible as a streak of light in the night sky. Light up means to make something bright. The night is the time between sunset and sunrise. When you put these words together, "Shooting stars light up the night" means that shooting stars make the night sky bright with their streaks of light.