Stereo -hubble -telescope.. by fisher57 on DeviantArt
I thought I saw A UFO! Mystery triangle on STEREO image explained...
The Return of NASA's Stereo B Solar Observatory? - Sky & Telescope - Sky & Telescope
A New Dimension in Solar Research | Max-Planck-Gesellschaft
STEREO - Wikipedia
a) The Heliospheric Imager instrument mounted on the side of one of... | Download Scientific Diagram
Amazon.com : Astromania Stereo Bino Viewer - Telescope Binocular Allows You to Adapt Two eyepieces to Your Telescope and View with Both Eyes simultaneously : Electronics