https://solarsystem.video/videos/watch/2fc39762-76f4-49d1-a924-58a3d54d4f91 planX Talk LIVE : conversations on PLANetary eXploration. About the Speaker: Dr. Anna Losiak is a planetary geologist at the Polish Academy of Sciences, specializing in impact craters and Martian surface processes. She holds degrees from the University of Warsaw, Michigan State, and the University of Vienna. Her notable work includes finding charred remains of organisms killed during small crater formation events. She has over 20 published papers and is an active science communicator across Europe. Date: 11 April, 2026 Talk Abstract: Impact craters are formed by collisions of cosmic bodies moving with hypervelocity. Their formation is one of the most crucial geological processes that shapes surfaces of all solid planetary bodies in our Solar System and beyond (Melosh 1989), but the importance of this started to be recognized only within the last 70 years. Suggestions of the extraterrestrial origin of some of the round, rimmed structures on the surface of the Earth were first proposed at the beginning of the 20th century (e.g., Barringer crater in the USA recognized by Barringer in 1909, Kaali in Estonia recognized by Reinvaldt in 1933), usually due to spatial association with iron meteorites. Currently, those projects efficiently trace asteroids larger than 1 km in diameter that may bring a global or at least regional disaster (CNEOS 2023). While there is currently no known asteroid that could cause such catastrophic damage, it is probable that a populated area will be hit by a significant asteroid impact within the lifespan of our species, based on the current impact flux on Earth (Bland & Artemieva 2006). In the next few hundred years, the most, likely hazard comes from small bodies with diameters ranging from 20 to 50 meters, which are large enough to form an impact crater several hundred meters in diameter upon reaching Earth’s surface. The aim of this talk is to review the relevance of the formation of impact craters in Quaternary geology, to describe examples of very small Holocene impact craters on Earth, and to contrast very small craters with much larger structures. For Potential Speakers: IIREES Edutech will be happy to listen if you wish to share your research.Kindly shoot an email to contact@iirees.com Sun, 04 Oct 2026 23:30:23 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://solarsystem.video https://solarsystem.video/client/assets/images/icons/icon-1500x1500.png https://solarsystem.video/videos/watch/2fc39762-76f4-49d1-a924-58a3d54d4f91 All rights reserved, unless otherwise specified in the terms specified at https://solarsystem.video/about and potential licenses granted by each content's rightholder.