Successful kinetic impact into an asteroid for planetary defence

RT Daly, CM Ernst, OS Barnouin, NL Chabot, AS Rivkin… - Nature, 2023 - nature.com
Although no known asteroid poses a threat to Earth for at least the next century, the
catalogue of near-Earth asteroids is incomplete for objects whose impacts would produce …

Momentum transfer from the DART mission kinetic impact on asteroid Dimorphos

AF Cheng, HF Agrusa, BW Barbee, AJ Meyer… - Nature, 2023 - nature.com
Abstract The NASA Double Asteroid Redirection Test (DART) mission performed a kinetic
impact on asteroid Dimorphos, the satellite of the binary asteroid (65803) Didymos, at 23: 14 …

Physical properties of asteroid Dimorphos as derived from the DART impact

SD Raducan, M Jutzi, AF Cheng, Y Zhang… - Nature …, 2024 - nature.com
Abstract On 26 September 2022, NASA's Double Asteroid Redirection Test (DART) mission
successfully impacted Dimorphos, the natural satellite of the binary near-Earth asteroid …

Mechanical properties of rubble pile asteroids (Dimorphos, Itokawa, Ryugu, and Bennu) through surface boulder morphological analysis

CQ Robin, A Duchene, N Murdoch, JB Vincent… - Nature …, 2024 - nature.com
Planetary defense efforts rely on estimates of the mechanical properties of asteroids, which
are difficult to constrain accurately from Earth. The mechanical properties of asteroid …

Evidence for multi-fragmentation and mass shedding of boulders on rubble-pile binary asteroid system (65803) Didymos

M Pajola, F Tusberti, A Lucchetti, O Barnouin… - Nature …, 2024 - nature.com
Asteroids smaller than 10 km are thought to be rubble piles formed from the reaccumulation
of fragments produced in the catastrophic disruption of parent bodies. Ground-based …

Fast boulder fracturing by thermal fatigue detected on stony asteroids

A Lucchetti, S Cambioni, R Nakano… - Nature …, 2024 - nature.com
Spacecraft observations revealed that rocks on carbonaceous asteroids, which constitute
the most numerous class by composition, can develop millimeter-to-meter-scale fractures …

Achievement of the planetary defense investigations of the Double Asteroid Redirection Test (DART) mission

NL Chabot, AS Rivkin, AF Cheng… - The Planetary …, 2024 - iopscience.iop.org
Abstract NASA's Double Asteroid Redirection Test (DART) mission was the first to
demonstrate asteroid deflection, and the mission's Level 1 requirements guided its planetary …

The bearing capacity of asteroid (65803) Didymos estimated from boulder tracks

J Bigot, P Lombardo, N Murdoch, DJ Scheeres… - Nature …, 2024 - nature.com
The bearing capacity-the ability of a surface to support applied loads-is an important
parameter for understanding and predicting the response of a surface. Previous work has …

Effects of impact and target parameters on the results of a kinetic impactor: predictions for the Double Asteroid Redirection Test (DART) mission

AM Stickle, ME DeCoster, C Burger… - The planetary …, 2022 - iopscience.iop.org
Abstract The Double Asteroid Redirection Test (DART) spacecraft will impact into the
asteroid Dimorphos on 2022 September 26 as a test of the kinetic impactor technique for …

Applications of ground-penetrating radar in asteroid and comet exploration

W Guan, Y Su, J Li, S Dai, C Ding, Y Liu - Remote Sensing, 2024 - mdpi.com
Nowadays, asteroid and comet exploration is one of the most important components of deep
space exploration. Through asteroid and comet exploration missions, it is possible to reveal …