Activity 3 Big Bang

BIG BANG

The big bang is a scientific theory of how the universe began.  Scientists believe the universe was created 13.8 billion years ago ,when a ginormous explosion went many diffrent directions and it caused the space to expand , so small particles grouped together and made atoms and those atoms grouped together . After, when the universe cooled down the material in the universe combined and it formed galaxies,planets, and stars.  

via GIPHY

Activty 1 Famous Astronomers

Name

Date of birth

Main thinking

Galileo Galilei	1542 -  1642,	An Italian astronomer,who was the first person to see Mars on a telescope.
Nicolaus Copernicus	1543 -   1543,	A Polish astronomer whose theory was that the Sun was in the centre of the universe, and not the Earth.
Johannes  Kepler	1561 - 1630,	At the time  people believed that the planets in the solar system traveled around the Earth and Johannes had a theory that the planets traveled around the Sun.
Albert Einstein	1879-1955	Albert Einstein was a german astronomer who was the first to discover that there is no gravity on Mars.
Isaac Newton	1643- 1727,	The discovery of gravity when he saw a falling apple while thinking about the forces of nature.