Moon_2018_04_20_205217_AS_P20_lapl4_ap1354_wav Published 21/04/2018 at 836 × 836 in 4 day old moon ← Previous Next → Rupes & Rima Cauchy. To the bottom or Rupes Cauchy the volcanic domes tau and omega Cauchy are visible. The top of omega Cauchy shows a small craterlet.