Did You Know?
There are more stars than grains of sand!
Stars
Stars are big balls of gas. They shine bright in the night.
Planets
Planets are big rocks that move. They go around stars.
What universe Does
The universe has stars and planets.
It is very big and wide.
We live on a planet called Earth.
It has many cool things to see.
Stars can be far away or close.
We can look at the stars at night.
More About universe
The universe is very old. It started with a big bang. This was a long time ago. It made space and time.
The universe is all around us. We can see the sun and moon. They help us know day and night.
There are many stars we can find. Some stars are very bright. We can learn more about them!
How Topics Connect
graph TD
A["The Universe"] --> B["Matter and Energy"]
A --> C["Structures Formed"]
C --> D["Sub-Atomic Particles"]
C --> E["Galactic Filaments"]
F["Big Bang (13.787±0.020 billion years ago)"] --> A
G["Expansion of the Universe"] --> A
H["Visible Universe (93 billion light-years)"] --> A
What Do These Words Mean?
comprises:includes or contains
cosmology:the study of the universe and how it works
emerged:came into being or started
expanding:growing larger or spreading out
diameter:the distance across a circle or sphere
