Study finds link between Grand Canyon landslide and Meteor Crater impact 22JULY2025

 Study finds link between Grand Canyon landslide and Meteor Crater impact

Study finds link between Grand Canyon landslide and Meteor

Crater impact by University of New Mexico, PhysOrg, July 15, 2025

https://phys.org/news/2025-07-link-grand-canyon-landslide-meteor.html

Grand Canyon landslide due to Meteor Crater impact?

EarthSky, July 20, 2025

https://earthsky.org/earth/grand-canyon-landslide-and-lake-due-to-meteor-crater-impact/

The open access paper is:

Karlstrom, K.E., Baisan, C.H., Kring, D.A., Hereford, R., Turney, C.,

Hogg, A., Norman, L.M., O’Brien, P., Palmer, J.G., Rittenour, T.M.

and Ballensky, J., 2025. Grand Canyon landslide-dam and paleolake

triggered by the Meteor Crater impact at 56 ka. Geology.

Yours,

Paul H.

Have we finally solved mystery of magnetic moon rocks? 20JUL2025

 Have we finally solved mystery of magnetic moon rocks?

Have we finally solved mystery of magnetic moon rocks?

Simulations show how e/ects of asteroid impact could amplify the early Moon's weak magnetic field. Jennifer Ouellette, ArsTechnica, May 2025

https://arstechnica.com/science/2025/05/have-we-finally-solved-mystery-of-magnetic-moon-rocks/

The open access paper is:

S. Narrett, I., Oran, R., Chen, Y., Miljković, K., Tóth, G.,

Mansbach, E.N. and Weiss, B.P., 2025. Impact plasma

amplification of the ancient lunar dynamo. Science

Advances, 11(21), p.eadr7401.

https://www.science.org/doi/10.1126/sciadv.adr7401

Yours,

Paul H.