1:
1. The Sun is a star.
2. It is the center of our solar system.
3. Provides light and heat to Earth.
2:
4. The Sun's diameter is about 1.4 million kilometers.
5. It consists primarily of hydrogen and helium.
6. Nuclear fusion creates its energy.
3:
7. Solar flares are explosive releases of energy.
8. Sunspots are cooler areas on the Sun's surface.
9. The Sun's temperature is around 5,500 degrees Celsius.
4:
10. Solar winds are streams of charged particles.
11. The Sun's core reaches temperatures of 15 million degrees Celsius.
12. It takes around 8 minutes for sunlight to reach Earth.
5:
13. The Sun's gravity keeps planets in their orbits.
14. Every 11 years, the Sun's magnetic field reverses.
15. Solar eclipses occur when the Moon blocks the Sun.
6:
16. The Sun rotates faster at its equator than its poles.
17. It has been shining for about 4.6 billion years.
18. The Sun's ultraviolet radiation is harmful to humans.
7:
19. Astronomers study the Sun using telescopes and satellites.
20. Sunlight can be used to generate electricity in solar panels.
21. The Sun will eventually exhaust its hydrogen fuel.
8:
22. The Sun's outer atmosphere is called the corona.
23. Prominences are giant arcs of gas on the Sun's surface.
24. The Sun's activity influences space weather.
9:
25. The Sun's appearance changes over an 11-year cycle.
26. The Sun is approximately 109 times wider than Earth.
27. The Sun is crucial for the existence of life on Earth.