Abstract
Whitepaper #434 submitted to the Planetary Science and Astrobiology Decadal Survey 2023-2032. Topics: planetary defense; other planetary bodies: cross-cutting/bodies with solid surfaces; ground- and space-based telescopes
Highlights
(Left) Arecibo radar image of Dione Regio on Venus
near-Earth asteroid (NEA) display a range of surface features, from which evolution and collisional processes can be constrained, and are important to characterize for planetary defense
This white paper complements previously-submitted white papers focusing on near-Earth asteroids, small bodies, large Solar System bodies, and planetary defense, most notably those by Binzel et al, Davidsson et al, Mainzer et al, Margot, Milam et al, Paganelli et al, Rivera-Valentın et al, Stickle et al, Taylor et al, and Virkki et al It reflects broader discussions during the “Next-Generation Ground-Based Planetary Radar” workshop at the W
Summary
This listing is based substantially on community discussions at the KISS workshop and is intended to be illustrative and deliberately ambitious, but is not exhaustive. Venus Radar observations provide crucial information about Venus’ surface and interior properties, with implications for models of its formation and evolution and for the properties of extrasolar planets (Margot et al 2019; Campbell et al 2019a, b). Because they obtain much longer time scale coverage and can search for temporal changes, ground-based planetary radar observations are a powerful complement to missions. While not providing direct science measurements, the planetary radar infrastructure has assisted in the recovery of spacecraft, thereby ensuring that missions could continue science measurements
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