Dark Universe: Dark Matter, Dark Energy and

the Fate of the Universe

The Universe is BIG!

The Cosmological ToolboxTelescopes

The Cosmological ToolboxGravity

Dark Matter: How Do We Know?

Stars on edge of galaxies orbit too fast!

There might be unseen extra mass!

Dark Matter: How Do We Know?Gravitational lensing makes the picture from space warped.

Though invisible, the effects of the mass can be seen! ??

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Dark Matter: What is it?

Dark matter is invisible!

Dark matter has a light touch.

Dark matter has a profound effect!

Dark matter is a different form of matter.

Dark Energy: How Do We Know?

• The universe expands.

Dark Energy: Fate of the Universe

What will become of our universe under the effects of dark matter?

Dark Energy: Fate of the Universe

What will become of our universe under the effects of dark matter and dark energy?

Dark Energy: Fate of the Universe

• There is not a lot we know about dark energy. • Dark energy will impact the fate of the

universe. We need to understand it better.

Underground Science!

• Dark matter can be found everywhere, but it is very hard to detect.

• Underground is a good place to try to detect dark matter.

• DUSEL is a major lab opening in South Dakota in the former Homestake mine.

Underground Science!

LUX Detector

Ray Davis Cavern

Underground Science!

Dark Universe:Dark Matter, Dark Energy

There is still much to learn about what is in the dark.