Abstract
view Abstract Citations (9) References (7) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Ray Elements and Secondary-Impact Craters on the Moon. Fielder, Gilbert Abstract Fifty-nine lunar craters, mostly between 1 and S km in diameter, are identified with certain ray elements of the major ray craters Copernicus and Tycho. A catalogue of the positions of the small cratets is given, and it is demonstrated that they are "secondary-impact craters" produced by rock blocks ejected from Copernicus and Tycho It is shown that the elliptical shape of some of the secondary craters does not depend on the direction of impact of the rock blocks. The mechanics of the process of formation of the secondary craters and their ray elements is discussed for maria composed of (a) a dusty medium and (b) a medium such as solid rock. Publication: The Astrophysical Journal Pub Date: March 1962 DOI: 10.1086/147296 Bibcode: 1962ApJ...135..632F full text sources ADS |
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
