Our Galaxy: The Milky Way


1️⃣ What is the Milky Way?

  • The Milky Way is our home galaxy.
  • A galaxy is a huge family of stars, planets, dust, and gas.
  • Our Sun, Earth, and solar system live inside it.

2️⃣ How big is the Milky Way?

  • It has hundreds of billions of stars
  • It is about 100,000 light-years wide.
  • That is super, super big!

3️⃣ Shape of the Milky Way

  • The Milky Way looks like a giant spinning pinwheel.
  • It has spiral arms full of stars.
  • From Earth, we see it as a milky white band in the night sky.

4️⃣ Where are we in the Milky Way?

  • Earth is not in the center.
  • We live in a spiral arm called the Orion Arm.
  • It takes our solar system about 230 million years to go once around the galaxy.

5️⃣ What is in the center?

  • At the center is a supermassive black hole.
  • It is called Sagittarius A*.
  • It keeps the galaxy together using gravity.

6️⃣ How old is the Milky Way?

  • The Milky Way is about 13.6 billion years old.
  • It formed soon after the universe began.

7️⃣ Fun facts ⭐

  • You can see the Milky Way best on dark, clear nights.
  • Every star you see in the night sky belongs to the Milky Way.
  • There are many other galaxies besides ours!

🧠 Easy to remember

Milky Way = our big space home


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