Don't be afraid to ask questions !!
There is no such thing as a stupid question
Why stars shine, why stars twinkle, why seasons occur, how astronomers pinpoint stars, how they know how far away they are. How astronomers can tell if a planet has oxygen in its atmosphere. wHAT ACTUALLY IS LIGHT? What is gravity? WHAT IS TIME. What is a black hole? How many constellations are there? The list is endless. Some introductory ttopics are listed below also.
The Celestial Sphere, Equinoxes, Tilt of the earth. naming the planets, our nearest star, moon International Space Station, space probes, solar wind , flares, comets, asteroids, our own galaxy. our nearest galaxy, the enormity of the Universe
What is Light? What is time? what is Space-time? How old is the Universe?
Copernicus - Galileo - Newton - Maxwell Planck - Einstein - Hawkings have given us elegant theories and explanations