Unit 3 universe and solar system

What was sent to space and constantly improves our knowledge to the universe? (still running)

2. ........................... is located in one of the spiral arms of milky way galaxy.

A flat gaseous round disk that formed the solar system

Champlain and moultin are the creators of the crossing star theroy

3. Within minutes of the ......................... , the atomic particles merged together producing helium and hydrogen

The sun and eight planets revolving around it

3. What are two parts of the solar system?

It contains all the stars we see at night in the sky

What is the Big Bang Theory?

When do scientists think the Big Bang took place?

The distance that is covered by light in one year

Big Bang Theory, the theory that all matter and energy in the universe was compressed into a very small ball?

1. Each galaxy has a distinctive shape according to order and harmony of the groups of ................. in universe.

The universe is...

What elements were produced after the big bang?

How many stars are in our solar system?

The star explosion is due to some......

5. The sun takes about ............ million years to complete one rotation around the center of the galaxy

It’s located in one of the spiral arms of the Milky way galaxy

how many planets are in the solar system?

The scientist who established Nebular theory is .......,the scientist who established modern theory of the world is ...

6. Bigger units of the universe are .............

What does the Big Bang theory explain?

Are galaxies in the universe moving farther away from each other due to the expansion of the universe?

What theory explains the creation of our universe?

After 5000 billion from big bang, the solar system created.