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Electromagnetic spectrum/Light & color
Online Explorations
Lithographs
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Myths vs realities
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Online Explorations
Fun, interactive ways to explore the universe
Star Light, Star Bright
Catch the (light) wave! Find out how color can be more than meets the eye.
Resource Overview
Lithographs
Downloadable, fact-filled portraits of celestial objects. Some include a classroom activity.
Crab Nebula (M1) (Multiwavelength)
This colorful portrait of the Crab shows energetic details.
Eagle Nebula (M16) (2014)
Hubble takes a new look at the dazzling "Pillars of Creation" in the Eagle Nebula.
Resource Overview
Horsehead Nebula
Hubble sees a horse of a different color.
Resource Overview
Jets from a young star, Herbig-Haro 24
Hubble sees the dramatic awakening of a newborn star.
Star-forming Nebula N90
This hotbed of star formation lies in the Small Magellanic Cloud.
Resource Overview
Supernova 1987A
Check out the most recent image of an astronomical icon.
Q&A
Commonly-asked questions about space and astronomy
Light, color, and the electromagnetic spectrum
Satisfy your curiosity about what makes an X-ray different from a radio wave.
Resource Overview
Myths vs realities
Common misconceptions about space. Each conceptual 'myth' is paired with the facts.
Light & color
All radiation is harmful — true or false?
Resource Overview
Videos
Engaging introductions to concepts in astronomy
Legacy
Cosmic Concepts: Electromagnetic Spectrum
Get an overview of the electromagnetic spectrum.
Legacy
Cosmic Concepts: Infrared Light
An introduction to how infrared light can be used to observe the universe and the world around us.