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Stratigraphy versus artefacts in the Chang’e-4 low-frequency radar

Matters Arising to this article was published on 15 September 2021

The Original Article was published on 07 September 2020

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Fig. 1: ATA plot of the CE3 and CE4 data.
Fig. 2: Comparison of low-frequency CE3 and CE4 radar cross-sections and average spectrograms.

Data availability

Data reported in this paper are available through the Data Publishing and Information Service System of China’s Lunar Exploration Program (


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Authors and Affiliations



E.P and S.E.L. performed conceptual analysis and wrote the manuscript; E.M. and B.C. performed data analysis and co-wrote the manuscript; F.S. contributed to electromagnetic analysis and co-wrote the manuscript.

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Correspondence to Elena Pettinelli.

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The authors declare no competing interests.

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Peer review information Nature Astronomy thanks Sarah Kruse and the other, anonymous, reviewer(s) for their contribution to the peer review of this work.

Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Supplementary Information

Supplementary Figs. 1–3.

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Pettinelli, E., Lauro, S.E., Mattei, E. et al. Stratigraphy versus artefacts in the Chang’e-4 low-frequency radar. Nat Astron 5, 890–893 (2021).

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