What is the closest star to our sun?

What happens when a star runs out of fuel?

Phases of the moon

How did the moon form?

Why is the moon important?

What is a galaxy?

Types of galaxies

What is the Milky Way?

What are planets?

What is a solar system?

What are the terrestrial (rocky) planets of our solar system?

What are the Gas Giants of our solar system?

What is a dwarf planet?

What is the biggest planet in our solar system?

What is the smallest planet in our solar system?

what are satellites?

What are artificial satellites?

What is a meteoroid?

What is the asteroid belt?

What is the Kuiper belt?

What is a comet?

What is the most famous comet?

What are constellations?

What are astronomers and what do they do?

What is the Geocentric model?

What is the Heliocentric model?

Who first proposed the theory of the Heliocentric model?

Who first proposed the theory of the Geocentric model?

What is the retrograde motion?

Who invented the telescope?

Who was the first man to land on the moon?

What are the Zodiac Symbols?

What is Gravity?

What is a Gravitational force field?

What is an orbit?

What is an eclipse?

What is a solar eclipse?

What is an umbra?

What is a penumbra?

What is a lunar eclipse?

What are tides?

How are tides formed?

What is an axis?

What is a day?

What is a revolution?

What are the seasons?

What is a year?

What is a leap year?

THE END