[HTML][HTML] 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 …

Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution

R Okazaki, B Marty, H Busemann, K Hashizume… - Science, 2022 - science.org
The near-Earth carbonaceous asteroid (162173) Ryugu is expected to contain volatile
chemical species that could provide information on the origin of Earth's volatiles. Samples of …

Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution

T Morota, S Sugita, Y Cho, M Kanamaru, E Tatsumi… - Science, 2020 - science.org
The near-Earth asteroid (162173) Ryugu is thought to be a primitive carbonaceous object
that contains hydrated minerals and organic molecules. We report sample collection from …

Collisional formation of top-shaped asteroids and implications for the origins of Ryugu and Bennu

P Michel, RL Ballouz, OS Barnouin, M Jutzi… - Nature …, 2020 - nature.com
Asteroid shapes and hydration levels can serve as tracers of their history and origin. For
instance, the asteroids (162173) Ryugu and (101955) Bennu have an oblate spheroidal …

Hayabusa2 landing site selection: surface topography of Ryugu and touchdown safety

S Kikuchi, S Watanabe, T Saiki, H Yabuta… - Space Science …, 2020 - Springer
One of the primary goals of Hayabusa2 is to land on the asteroid Ryugu to collect its surface
materials. The key for a successful touchdown is to find a promising landing site that meets …

Thermophysical properties of the surface of asteroid 162173 Ryugu: Infrared observations and thermal inertia mapping

Y Shimaki, H Senshu, N Sakatani, T Okada… - Icarus, 2020 - Elsevier
TIR, the thermal infrared imager on Hayabusa2, acquired high-resolution thermal images of
the asteroid 162173 Ryugu for one asteroid rotation period on August 1, 2018 to investigate …

Crater population on asteroid (101955) Bennu indicates impact armouring and a young surface

EB Bierhaus, D Trang, RT Daly, CA Bennett… - Nature …, 2022 - nature.com
The impactor-to-crater size scaling relationships that enable estimates of planetary surface
ages rely on an accurate formulation of impactor–target physics. An armouring regime …

Hayabusa2 extended mission: New voyage to rendezvous with a small asteroid rotating with a short period

M Hirabayashi, Y Mimasu, N Sakatani… - Advances in Space …, 2021 - Elsevier
Abstract Hayabusa2 is the Japanese Asteroid Return Mission and targeted the
carbonaceous asteroid Ryugu, conducted by the Japan Aerospace Exploration Agency …

Anticipated geological assessment of the (65803) didymos–dimorphos system, target of the DART–LICIACube mission

M Pajola, OS Barnouin, A Lucchetti… - The Planetary …, 2022 - iopscience.iop.org
On 2022 September 26, the DART spacecraft will impact the surface of Dimorphos, the∼
160 m size satellite of the binary near-Earth asteroid (NEA)(65803) Didymos. What will be …

[HTML][HTML] Global geologic map of asteroid (101955) Bennu indicates heterogeneous resurfacing in the past 500,000 years

ER Jawin, TJ McCoy, KJ Walsh, HC Connolly Jr… - Icarus, 2022 - Elsevier
Global geologic maps are useful tools for efficient interpretation of a planetary body, and
they provide global context for the diversity and evolution of the surface. We used data …