Skip to main content
Our site has a new look based on viewer feedback…to access our prior version of The Unveiling the Invisible Universe click here.

Unveiling The Invisible Universe


There is more to the universe than meets the human eye.

Most of what we know about the universe beyond Earth comes from light. By analyzing details of different types of light—radio waves, microwaves, infrared light, visible light, ultraviolet light, X-rays, and gamma rays—we can figure out what the universe is made of, how it is organized, and how it changes over time.

Label
Off On

Aid in Infrared

The firefighter's most critical job is to save lives.

Loading images...
Smoke blocks visible light making it difficult to see.
Infrared light passes through the smoke revealing a hidden victim.
Visible
Infrared

Topics

Life and Death of Stars

Other Solar Systems, Other Planets

How do we know?

Visible light image courtesy of NASA, Caltech/IPAC, and the Pasadena Fire Department.

Infrared image courtesy of NASA, Caltech/IPAC, and the Pasadena Fire Department.

Unveiling The Invisible Universe is adapted from Cool Cosmos by Caltech/IPAC with additional contributions from Bruno Merin and Miguel Merin (Pludo).