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Impact features on Europa: results of the Galileo Europa Mission (GEM)

Authors
  • Jeffrey M, Moore
  • Erik, Asphaug
  • Michael J S, Belton
  • Beau, Bierhaus
  • Herbert, Breneman
  • Shawn M, Brooks
  • Clark R, Chapman
  • Frank C, Chuang
  • Geoffrey C, Collins
  • Bernd, Giese
  • Ronald, Greeley
  • James W, Head
  • Steve, Kadel
  • Kenneth P, Klaasen
  • James E, Klemaszewski
  • Kari P, Magee
  • John, Moreau
  • David, Morrison
  • Gerhard, Neukum
  • Robert T, Pappalardo
  • And 6 more
Type
Published Article
Journal
Icarus
Publisher
Elsevier
Publication Date
May 30, 2001
Volume
151
Issue
1
Pages
93–111
Source
SETI Institute
License
Unknown

Abstract

During the Galileo Europa Mission (GEM), impact features on Europa were observed with improved resolution and coverage was compared with Voyager or the Galileo nominal mission. We surveyed all primary impact features> 4 km in diameter seen on Europa (through orbit E19). The transition from simple to complex crater morphology occurs at a diameter of about 5 km. We calculated the transient crater dimensions and excavation depths of all craters surveyed. The largest impact feature (Tyre) probably had a transient ...

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