The Sentinel 1 Telescope in position beyond Duna, ready to begin cataloging belt asteroids. : r/KerbalSpaceProgram
NASA to Make Announcement About WFIRST Space Telescope Mission - NASA
Sentinel's Mission to Find 500,000 Near-Earth Asteroids - IEEE Spectrum
ESA - Sentinel-4 and -5
Sentinel mission to place asteroid-hunting telescope into orbit around the Sun
Nasa pulls the plug on killer asteroid hunter: Sentinel mission set up to search for dangerous space rocks loses $30 million support | Daily Mail Online
Rise of the Super Telescopes: The Large UV Optical Infrared Surveyor (LUVOIR) aka Hubble 2.0 - Universe Today
SENTINEL Infrared Telescope - Kerbal Space Program Wiki
KerbalX - Herschel Space Telescope
Ball Gets Contract To Build Sensors for B612 Telescope - SpaceNews
Nasa pulls the plug on killer asteroid hunter: Sentinel mission set up to search for dangerous space rocks loses $30 million support | Daily Mail Online