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1. en.wikipedia.org › wiki › Cretaceous–Paleogene_extinction_eventCretaceous–Paleogene extinction event - Wikipedia

   en.wikipedia.org › wiki › Cretaceous–Paleogene_extinction_event

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   Vor einem Tag · The Cretaceous–Paleogene (K–Pg) extinction event, also known as the Cretaceous–Tertiary (K–T) extinction, was a sudden mass extinction of three-quarters of the plant and animal species on Earth, approximately 66 million years ago.

2. www.lpi.usra.edu › meteorMeteoritical Bulletin: Search the Database - Lunar and Planetary...

   www.lpi.usra.edu › meteor

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   17. Mai 2024 · • Meteoritical Bulletin: 111 (2023): Meteorites approved through 21 May 2024. • Provisional names: Provisional names (all approved by NomCom). • Earth Impact Database: 18 January 2019. Other tools: Use the Meteorite Name Checking Utility to check multiple names at once, e.g., as an aid for manuscript submission.

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4. en.wikipedia.org › wiki › Geologic_time_scaleGeologic time scale - Wikipedia

   en.wikipedia.org › wiki › Geologic_time_scale

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   Vor einem Tag · The geologic time scale or geological time scale ( GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochronology (a scientific branch of geology that aims to determine the age of rocks).

5. www.britannica.com › science › meteoriteMeteorite | Definition, Types, Identification, & Facts |...

   www.britannica.com › science › meteorite

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   29. Apr. 2024 · Meteorite, any fairly small natural object from interplanetary space—i.e., a meteoroid—that survives its passage through Earth’s atmosphere and lands on the surface. In modern usage the term is broadly applied to similar objects that land on the surface of other comparatively large bodies.

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6. www.mdr.de › wissen › umwelt-klimaUrsprung des Lebens: Blick in Vergangenheit durch Klimawandel ......

   www.mdr.de › wissen › umwelt-klima

   14. Mai 2024 · Polemisch gesagt: Die Erinnerung an den Ursprung von fast allem könnte bald verblassen. Durch den menschengemachten Klimawandel sind hunderttausende Meteoriten in der Antarktis gefährdet. Das ist...

7. www.nature.com › subjects › meteoriticsMeteoritics - Latest research and news | Nature

   www.nature.com › subjects › meteoritics

   29. Apr. 2024 · Meteoritics is the study of meteorites — solid parts of asteroids or comets that have landed on another celestial body, notably (but not limited to) the Earth. Measuring the composition of ...

8. www.astronomy.com › science › a-shocking-number-of-meteoritesA 'shocking' amount of meteorites are disappearing because of...

   www.astronomy.com › science › a-shocking-number-of-meteorites

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   3. Mai 2024 · Approximately 5,000 meteorites are heating up and sinking into the ice every year and becoming inaccessible, a new study finds.