More Than Meets the Eye: Exploring the Universe Beyond

Visible Light

Visible Light Astronomy

Tycho Brahe

1546-1601

Galileo

1609 – First use of telescope for astronomy

Galileo

1610 Siderius Nuncius

Bends at each interface!

Yerkes 40 inch

1895

60 feet long

Isaac Newton 1668 reflecting telescope

Herschel 7 foot

1780s

6.2 inch mirror

Leviathan 1845 72 inch mirror 54 feet long

Mount Palomar 1948 200 inch mirror

Telescope Qualities

• Resolution– See small things

• Light Gathering– See faint things

Ground Hubble (with flaw)

Resolution

Ground Hubble (with flaw)

Resolution

Light Gathering

1 minute

Light Gathering

5 minutes

Light Gathering

30 minutes

Light Gathering

45 minutes

The Electromagnetic Spectrum

Demo 1A New Way to View Things

Automotive Repair and Maintenance

Medical Thermography

Veterinarian

Home Energy Audit

Energy Audits – Safety and Maintenance

Electrical Substation – Predictive Maintenance

Fire Detection + Hot Spots

What is this?

A Cold-Blooded Snake

Astronomy Across the Spectrum

The Electromagnetic Spectrum

Hubble Space Telescope

Spitzer Space Telescope

Chandra X-ray Observatory

Chandra

Hubble

Spitzer

Compton

100 μm10 μm1 μm

HST

Spitzer

JWST

HUBBLE SPITZERJWST

Wavelength Coverage

Demo 2Hot and Cold

Hot & Cold is Relative

Ice 32 F 0 C 273 K

Boiling Water 212 F 100 C 373 K

Hot & Cold is Relative

Ice 32 F 0 C 273 K

Boiling Water 212 F 100 C 373 K

Yellow Star (Sun) 6000 K

Hot & Cold is Relative

Ice 32 F 0 C 273 K

Boiling Water 212 F 100 C 373 K

Red Star 3000 K

Yellow Star (Sun) 6000 K

Hot & Cold is Relative

Ice 32 F 0 C 273 K

Boiling Water 212 F 100 C 373 K

Red Star 3000 K

Yellow Star (Sun) 6000 K

Blue Star 50,000 K

Hot & Cold is Relative

Ice 32 F 0 C 273 K

Boiling Water 212 F 100 C 373 K

Red Star 3000 K

Yellow Star (Sun) 6000 K

Blue Star 50,000 K

Intra-cluster Gas 1,000,000 K

Hot & Cold is Relative

Interstellar Gas 100 K

Ice 32 F 0 C 273 K

Boiling Water 212 F 100 C 373 K

Red Star 3000 K

Yellow Star (Sun) 6000 K

Blue Star 50,000 K

Intra-cluster Gas 1,000,000 K

Hot & Cold is RelativeStar-forming Cloud 10 K

Interstellar Gas 100 K

Ice 32 F 0 C 273 K

Boiling Water 212 F 100 C 373 K

Red Star 3000 K

Yellow Star (Sun) 6000 K

Blue Star 50,000 K

Intra-cluster Gas 1,000,000 K

JWST Science 1

L2

JWST Orbits the 2nd Lagrange Point (L2)

1.5 million km

384,000km

Earth Moon

First Light (After the Big Bang)

Assembly of Galaxies

Birth of Stars and Protoplanetary Systems

Planetary Systems and the Origins of Life

“Webb’s true value will be known only after it reaches its place among the stars”

JWST Science Goals

Demo 3Looking Into the Darkness

What is this?

Infrared Camera

What is this?

Ice on a plate in visible light

Ice on a plate in infrared light

Cold or hot?

Is the blow dryer on or off?

Floor in the visible

Floor in Infrared

What is underneath the bag?

JWST Science 2

Mystic mountain