An Introduction to Dark Energy & Dark Matter
Some questions... • What are we made of? • We are made of atoms • What else are made of atoms? • … everything? • What are atoms made of? • Atoms are made up of.... Stuff
What are stars made of? • Stars are made up of atoms
What are Galaxies made of? • Galaxies are made up of stars
What is the Universe made of? • The Universe is made up of Galaxies • What about the SPACE?
Let’s go big to small Universe Galaxies Stars Atoms Stuff
The universe is made of... STUFF!
Okay, more like this stuff How do we see this stuff??
Big Bang Review • What is expanding? Stuff? • Only the SPACE is expanding • Only the SPACE between GALAXIES are expanding
What happens when... • Things explode?
The Hubble Telescope tells us that • The expansion is SPEEDING UP!