A "survey telescope" is a type of telescope that is used to systematically scan or observe large areas of the sky. It helps astronomers gather information about various celestial objects like stars, galaxies, and nebulae. Full definition
But after traveling 13 billion light - years, the radiation has been stretched to the infrared part of the spectrum, so only the most sensitive infrared survey telescopes can detect it. (science.howstuffworks.com)
The new image from the VISION survey (VIenna Survey In Orion) is a montage of images taken in the near - infrared part of the spectrum [1] by the VISTA survey telescope at ESO's Paranal Observatory in Chile. (sciencedaily.com)
This image from the VISTA infrared survey telescope at ESO's Paranal Observatory in northern Chile is part of the largest infrared high - resolution mosaic of Orion ever created. (sciencedaily.com)