Universe is a unity that formed by space ,time material and energy.
It is a space-time continuum system .
The origin of the universe
There is many theory about the origin of the universe. The big bang theory is one of the most influential theory
The solar system源自The distance between the earth and the sun is 1.5×108Km
Nine planets ?
Maybe.
The Milky Way
The Milky Way
Formed by one hundred and twenty billion stars and a large number of clusters, nebula, and various types of interstellar gas and interstellar dust.
Small ghost nebula
How a star become a black hole?
A black hole capture the stars.
Wormhole
Wormhole the narrow tunnel that connect the two different time and space.
It is put forward by Einstein and Nathan Rosen .
It can help you return to former or go to future.
Series of strange objects
Black widow nebula
Sauron magical eye
Hell planet
Zombie(僵尸) stars
Orion's bat
The shape of the universe remain unknown ,but humans have all kinds of imagination .
A small cell
A program It is invisible
The age of universe
The universe is about 13.7 billion years olds.
The scope of the Milky Way galaxy is about 1.0×105l.y.(光年)
Look from the flank of the Milky Way, it is like a flat plate .
The black hole
Black hole is a strong gravitational pull object in which even light cannot escape from it.