🚀 The Speed of Light

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💡 What is the speed of light?

• Light is the fastest thing in the universe.
• Its speed is about 300,000 kilometers every second
  (that’s 186,000 miles per second!).

🧠 That means light can go around Earth more than 7 times in just 1 second!

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☀️ Light from the Sun

• The Sun is very far away.
• Sunlight takes about 8 minutes to reach Earth.
• So when you see the Sun, you are seeing how it looked 8 minutes ago!

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🌍 Light on Earth

• Light moves fastest in empty space.
• It slows down a little in:
  • Air
  • Water
  • Glass

That’s why light can bend and make rainbows 🌈

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🌌 Light in space

• Light takes time to travel across space.
• Light from distant stars can take years to reach us.
• This is why scientists use a distance called a light-year.

🧠 1 light-year = distance light travels in 1 year

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❓ Can anything go faster than light?

• According to science, nothing can go faster than light.
• The speed of light is like a cosmic speed limit.

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🧠 Easy to remember:

Light is super-fast and sets the universe’s speed limit

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⭐ Fun facts for kids

• If you turn on a flashlight, the light reaches the Moon in about 1.3 seconds
• Light from the nearest star (after the Sun) takes over 4 years to reach Earth
• Even astronauts rely on light speed to communicate!

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