more than meets the eye: exploring the universe beyond visible light
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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
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