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Agenda• EM Spectrum Review• NASA Astrophysics Observatories,
techniques, images• Visible Spectra, IR demo, UV beads• Resources
• PPT and Resource Word dochttp://www.sofia.usra.edu/Edu/materials/
presentations.html
The Electromagnetic Spectrum
Our eyes see only part of the electromagnetic spectrum…
Each part of the spectrum impacts our daily lives…
“Invisible” Light in Society
Microwave ovens
Communications
Remote controls X-rays
UV Sunscreen
NASA SMD Astrophysics:Discover the origin,
structure, evolution, and destiny of the universe, and search for Earth-like planets
We collect light from distant objects, and bring together researchers from many disciplines.
The Tools of Our Search
Stratospheric Observatory For Infrared Astronomy (SOFIA)
Chandra X-ray telescope• http://chandra.harvard.edu/photo/
NASA Resources
Representative Color
“Invisible” Light in Astronomy
Each part of the spectrum provides a piece of the puzzle in understanding
our universe.
The Pinwheel Galaxy
http://hubblesite.org/newscenter/archive/releases/2009/07
IrregularsHuge collections of stars, gas, and dust held together by gravity…
Spirals
Ellipticals
Galaxies: How Do They Form and Evolve?
M82: A Burst of Star Formation
Infrared Visible X-Ray
Centaurus A
Infrared Visible X-Ray
To find the earliest galaxies, we will need to explore the universe in the infrared.
Looking Back in Time
The Lives of Stars
The Orion Nebula
Infrared Visible X-Ray
Our Place in the Universe
Spectra = Signatures
Active Astronomy Lessons
Compare and contrast visible & infrared light1. Overview and pre-test2. What’s getting through to you?
gel filters3. Seeing the Invisible
detector circuits 4. Reflection of Visible and Invisible
mirrors and detector circuits 5. Listening to Light
detector and transmitter circuits
Visible vs Infrared Images
Resources
• SOFIA Active Astronomy• http://www.sofia.usra.edu/Edu/materials/
activeAstronomy/activeAstronomy.html• SEEK and FLIR smart phone IR cameras• ASP AstroShop Noel Encarnacion
Inventory and Customer Service [email protected]
• PPT and Resource Word dochttp://www.sofia.usra.edu/Edu/materials/
presentations.html
Resources • Stanford Solar Center Spectrascopes and
Colors of the Sun video (high school for power supply and gas tubes)
• http://solar-center.stanford.edu/• Project Spectra• http://lasp.colorado.edu/home/education/
k-12/project-spectra/• NASA Tour of the EM Spectrum• http://missionscience.nasa.gov/ems/index.html
Sponsors for today’s talk• NASA’s SOFIA (Stratospheric Observatory
for Infrared Astronomy) Mission
• SETI Institute, Mountain View, CA
