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What are Stars?
°ü¸®ÀÚ 2024-09-09 ¿ÀÀü 11:34:00 35571

 

What are Stars?

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Transcription:

 

Hey kids! Wonder Playland here! Today, let's explore the night sky and learn about stars.

When you gaze up at the night sky, what do you see? 

Those twinkling dots of light are none other than stars. These wonders are colossal, glowing balls of gas.

Gravity holds them together, creating a cosmic dance across the vastness of space. 

Our very own sun is a star. The sun radiates immense energy in the form of light and heat, which provides the ideal conditions for us to live here on Earth. 

Most of the tiny specks of light we see at night are distant stars, though a few might be satellites. 

What makes stars shine? 

Stars are made up of gas, with hydrogen as the main ingredient. Deep within a star, intense heat and pressure causes hydrogen to fuse into helium. This process releases a lot of energy and makes the star shine. 

Did you know that stars can be different colors? 

The color a star is reveals its temperature. Red stars are cooler, while blue stars burn the hottest. Our sun, a yellow star, falls somewhere in between. 

Fun fact: The sun appears larger than other stars because it's the closest star to Earth. Objects nearer to us seem bigger — something you've probably noticed in everyday life. 

The Life Cycle of Stars:

Stars begin as hydrogen and dust, and then gradually form together and heat up. After shining for billions of years, they use up all that hydrogen and eventually cool down and stop shining. 

Massive stars, however, end their journey with a spectacular supernova explosion. Stars are found in large groups called galaxies. Our galaxy, the Milky Way, hosts billions of stars; it's our cosmic home. 

Where to See the Best Stars:

Light pollution dims our views of stars. For the brightest display, get far away from city lights, perhaps to an observatory, atop a mountain, or during a camping trip in the woods. This is where you'll see the brightest stars. 

Well, young astronomers I hope you had fun learning about stars today. Keep your eyes on the skies and explore the wonders of the universe. Until next time! Bye!

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Questions:

 

1. What is the main ingredient that stars are made up of?

2. Why does our sun appear larger than other stars in the night sky?

3. What happens at the end of a massive star's life cycle?​


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