How big is the Universe?

8/2/01


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Table of Contents

How big is the Universe?

How big is the Universe?

How big is the Universe?

What shape is the Universe?

What shape is the Universe?

What shape is the Universe?

What shape is the Universe?

What shape is the Universe?

Critical Density

Critical Density

Critical Density

No Edge, No Center

What is the fate of the Universe?

What is Dark Matter?

What is Dark Matter?

What is Dark Matter?

Evidence for Dark Matter

Galactic Halo Mass

MACHOs

Microlensing

Microlensing

Microlensing

Measuring Mass through Microlensing

Measuring Mass

What is the fate of the Universe?

More Ways to Measure Mass

Hot vs Cold

Hot Dark Matter

Cold Dark Matter

Current Beliefs on Dark Matter

Current Beliefs on Dark Matter

Current Beliefs on Dark Matter

Current Beliefs on Dark Matter

Current Beliefs on Dark Matter

Dark Energy

What is “Dark Energy”?

Universal Expansion

Yes, This IS Confusing...

Expansion is Accelerating!

HST Observation Image

What We See

What is the fate of the Universe?

Author: Laura Whitlock

Email: laura.whitlock@sonoma.edu

Home Page: http://perry.sonoma.edu/~whitlock