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Almost all meteorite impacts occur at oblique incidence angles, but the effect of impact angle on crater size is not well understood, especially for large craters. To improve oblique impact crater scaling, we present a suite of simulations…

Earth and Planetary Astrophysics · Physics 2022-12-07 T. M. Davison , G. S. Collins

Impact craters, as "lunar fossils", are the most dominant lunar surface features and occupy most of the Moon's surface. Their formation and evolution record the history of the Solar System. Sixty years of triumphs in the lunar exploration…

Earth and Planetary Astrophysics · Physics 2020-12-29 Chen Yang , Haishi Zhao , Lorenzo Bruzzone , Jon Atli Benediktsson , Yanchun Liang , Bin Liu , Xingguo Zeng , Renchu Guan , Chunlai Li , Ziyuan Ouyang

The CosmoQuest virtual community science platform facilitates the creation and implementation of astronomical research projects performed by citizen scientists. One such project, called Moon Mappers, aids in determining the feasibility of…

We investigated 634 crater clusters on Mars detected between 2007 and 2021, which represent more than half of all impacts discovered in this period. Crater clusters form when meteoroids in the 10 kg to 10 ton mass range break-up in Mars'…

Earth and Planetary Astrophysics · Physics 2023-05-03 T. Neidhart , E. K. Sansom , K. Miljković , G. S. Collins , J. Eschenfelder , I. J. Daubar

It is often necessary to identify a pattern of observed craters in a single image of the lunar surface and without any prior knowledge of the camera's location. This so-called "lost-in-space" crater identification problem is common in both…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 John A. Christian , Harm Derksen , Ryan Watkins

The variation of remotely sensed neutron count rates is measured as a function of cratercentric distance using data from the Lunar Prospector Neutron Spectrometer. The count rate, stacked over many craters, peaks over the crater centre, has…

Accurate estimation of cratering asymmetry on the Moon is crucial for understanding Moon evolution history. Early studies of cratering asymmetry have omitted the contributions of high lunar obliquity and inclination. Here, we include lunar…

Earth and Planetary Astrophysics · Physics 2021-08-18 Huacheng Li , Nan Zhang , Zongyu Yue , Yizhuo Zhang

A framework for the theoretical and analytical understanding of the impact crater-size frequency distribution is developed and applied to observed data from Mars and Earth. The analitical model derived gives the crater population,N, as a…

Earth and Planetary Astrophysics · Physics 2013-02-11 William Bruckman , Abraham Ruiz , Elio Ramos

We present a study on the relationship between the ratio of the depth of a crater to its diameter and the diameter for lunar craters both on the maria and on the highlands. We consider craters younger than 1.1 billion years in age, i.e. of…

Earth and Planetary Astrophysics · Physics 2021-03-02 E. A. Feoktistova , S. I. Ipatov

The intense activity of cratering on the Moon and in the inner regions of the solar system was accomplished during the first 10^9 years [1]. Occasionally, some impact events occur even nowadays. In Section 1, we treat, from a historical…

Astrophysics · Physics 2007-05-23 Giovanni Imponente , Costantino Sigismondi

In the last 20 years, over 600 impact flashes have been documented on the lunar surface. This wealth of data presents a unique opportunity to study the meteoroid flux of the Earth-Moon environment, and in recent years the physical…

Earth and Planetary Astrophysics · Physics 2022-11-23 Daniel Sheward , Chrysa Avdellidou , Anthony Cook , Elliot Sefton-Nash , Marco Delbo , Bruno Cantarella , Luigi Zanatta

We determine the proportions of two mixed crater populations distinguishable by size distributions on the Moon. A "multiple power-law" model is built to formulate crater size distribution $N(D) \propto D^{-\alpha}$ whose slope $\alpha$…

Earth and Planetary Astrophysics · Physics 2019-07-23 Nan Wang , Ji-Lin Zhou

Like many airless planetary surfaces, the surface of the Moon is scattered by populations of blocks and smaller boulders. These features decrease in abundance with increasing exposure time due to comminution by impact bombardment and…

Earth and Planetary Astrophysics · Physics 2021-12-30 O. Ruesch , R. M. Marshal , W. Iqbal , J. H. Pasckert , C. H. van der Bogert , M. Patzek

We compare the number of lunar craters larger than 15 km across and younger than 1.1 Ga to the estimates of the number of craters that could have been formed for 1.1 Ga if the number of near-Earth objects and their orbital elements during…

Earth and Planetary Astrophysics · Physics 2020-11-03 S. I. Ipatov , E. A. Feoktistova , V. V. Svettsov

Crater counting on the Moon and other bodies is crucial to constrain the dynamical history of the Solar System. This has traditionally been done by visual inspection of images, thus limiting the scope, efficiency, and/or accuracy of…

Earth and Planetary Astrophysics · Physics 2018-11-13 Ari Silburt , Mohamad Ali-Dib , Chenchong Zhu , Alan Jackson , Diana Valencia , Yevgeni Kissin , Daniel Tamayo , Kristen Menou

The discoveries of two Interstellar Objects (ISOs) in recent years has generated significant interest in constraining their physical properties and the mechanisms behind their formation. However, their ephemeral passages through our Solar…

Earth and Planetary Astrophysics · Physics 2022-08-02 Samuel H. C. Cabot , Gregory Laughlin

The impact flux over the last 3 Ga in the inner Solar System is commonly assumed to be constant through time. However, asteroid break-up events in the main belt may have been responsible for cratering spikes over the last ~2 Ga on the…

Recently a number of studies have identified small lunar geologic structures to be <100 Ma in age using standard remote sensing techniques. Here we present new crater size frequency distributions (CSFD) and model ages using craters D> 10 m…

Earth and Planetary Astrophysics · Physics 2018-01-10 A. Valantinas , K. M. Kinch , A. Bridžius

Giant impacts by comets and asteroids have probably had an important influence on terrestrial biological evolution. We know of around 180 high velocity impact craters on the Earth with ages up to 2400Myr and diameters up to 300km. Some…

Earth and Planetary Astrophysics · Physics 2015-05-28 C. A. L. Bailer-Jones

Impact crater cataloging is an important tool in the study of the geological history of planetary bodies in the Solar System, including dating of surface features and geologic mapping of surface processes. Catalogs of impact craters have…

Earth and Planetary Astrophysics · Physics 2019-04-18 Christopher Lee
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