1. (astronomy) a technique that uses radar echoes to examine bodies within the solar system, obtaining information about size, shape, topography, surface density, spin etc.

Encyclopedia: Radar astronomy

• Chaetodipterus faber
• chaetodon
• Chaetodontidae
• chaetognath
• Chaetognatha
• chaetognathan
• chaetognathous
• chafe
• chafed
• chafer
• chafeweed
• chaff
• chaffer
• chaffinch
• chafflike
• chaffweed
• chaffy
• chafing
• chafing dish
• chafing gear
• Chaga
• Chagall
• Chagatai
• Chagga
• chagrin