Chicxulub Impact Crater Investigation Begins in Earnest

[Oxytropidoceras]

Chicxulub 'dinosaur crater' investigation begins in earnest

by Jonathan Amos, BBC News, October 11, 2016

http://www.bbc.com/news/science-environment-37625348

 

In addition, Moon impacts are more frequent and hazardous

then have been previously estimated. Go see;

 

The moon has hundreds more craters than we thought

Daily News, October 12, 2016

https://www.newscientist.com/article/2108929-the-moon-has-hundreds-more-craters-than-we-thought/

 

How old is our Moon? Hundreds of previously unseen

craters could finally unlock its true age: New estimates

suggest 180 craters of at least ten metres in diameter

form each year by Liat Clark, Wired,

 

A facelift for the Moon every 81,000 years, October 12, 2016

http://phys.org/news/2016-10-facelift-moon-years.html

http://phys.org/news/2016-10-reveals-lunar-surface-features-younger.html

 

The paper is:

 

Speyerer, E. J., R. Z. Povilaitis, M. S. Robinson, P. C. Thomas,

And R. V. Wagner, 2016, Quantifying crater production

and regolith overturn on the Moon with temporal imaging.

Nature. Vol. 538, pp. 215–218 (13 October 2016) doi:10.1038/nature19829

http://nature.com/articles/doi:10.1038/nature19829

 

Yours,

 

Paul H.