An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime.

M, Arakawa; T, Saiki; K, Wada; K, Ogawa; T, Kadono; K, Shirai; H, Sawada; K, Ishibashi; R, Honda; N, Sakatani; Y, Iijima; C, Okamoto; H, Yano; Y, Takagi; M, Hayakawa; P, Michel; M, Jutzi; Y, Shimaki; S, Kimura; Y, Mimasu; T, Toda; H, Imamura; S, Nakazawa; H, Hayakawa; S, Sugita; T, Morota; S, Kameda; E, Tatsumi; Y, Cho; K, Yoshioka; Y, Yokota; M, Matsuoka; M, Yamada; T, Kouyama; C, Honda; Y, Tsuda; S, Watanabe; M, Yoshikawa; S, Tanaka; F, Terui; S, Kikuchi; T, Yamaguchi; N, Ogawa; G, Ono; K, Yoshikawa; T, Takahashi; Y, Takei; A, Fujii; H, Takeuchi; Y, Yamamoto; T, Okada; C, Hirose; S, Hosoda; O, Mori; T, Shimada; S, Soldini; R, Tsukizaki; T, Iwata; M, Ozaki; M, Abe; N, Namiki; K, Kitazato; S, Tachibana; H, Ikeda; N, Hirata; N, Hirata; R, Noguchi; A, Miura

doi:10.1126/science.aaz1701

Public

An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime.

Shared by NobleBlocks on Mar 19, 2020 • 12:00 AM UTC

Authors:

Arakawa M

Saiki T

Wada K

Abstract

The Hayabusa2 spacecraft investigated the small asteroid Ryugu, which has a rubble-pile structure. We describe an impact experiment on Ryugu using Hayabusa2's Small Carry-on Impactor. The impact produced an artificial crater with a diameter >10 meters, which has a semicircular shape, an elevated rim...

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