Impact events Archives - Astrobiology

Dinosaurs’ Apparent Decline Prior To Asteroid May Be Due To A Poor Fossil Record

Impact events

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Life Recovered Rapidly After The Chicxulub Impact – A Hydrothermal System May Have Helped

Extinction events

Life Recovered Rapidly After The Chicxulub Impact – A Hydrothermal System May Have Helped

Ray Ionisation Of A Post-impact Early Earth Atmosphere: Solar Cosmic Ray Ionisation Must Be Considered In Origin-of-life Scenarios

Origin & Evolution of Life

Ray Ionisation Of A Post-impact Early Earth Atmosphere: Solar Cosmic Ray Ionisation Must Be Considered In Origin-of-life Scenarios

Hunga Volcano Eruption Cooled, Rather Than Warmed, Earth’s Southern Hemisphere

Atmospheres & Climate

Hunga Volcano Eruption Cooled, Rather Than Warmed, Earth’s Southern Hemisphere

Orbit, Meteoroid Size, And Cosmic Ray Exposure History Of The Aguas Zarcas CM2 Breccia

Meteorites & Asteroids

Orbit, Meteoroid Size, And Cosmic Ray Exposure History Of The Aguas Zarcas CM2 Breccia

A Meteorite With Water-rich Minerals Lands On Earth In Good Condition

Meteorites & Asteroids

A Meteorite With Water-rich Minerals Lands On Earth In Good Condition

The Atmospheric Entry of Cometary Impactors

Impact events

The Atmospheric Entry of Cometary Impactors

Impacts Into Titan’s Methane-clathrate Crust As A Source Of Atmospheric Methane

Titan

Impacts Into Titan’s Methane-clathrate Crust As A Source Of Atmospheric Methane

An Upper Limit on the Interstellar Meteoroid Flux at Video Sizes from the Global Meteor Network

Meteorites & Asteroids

An Upper Limit on the Interstellar Meteoroid Flux at Video Sizes from the Global Meteor Network

Spectral Effects of Shock Darkening On Ordinary Chondrite and Howardite, Eucrite, And Diogenite Meteorites

Meteorites & Asteroids

Spectral Effects of Shock Darkening On Ordinary Chondrite and Howardite, Eucrite, And Diogenite Meteorites

Deep Mantle-Atmosphere Coupling And Carbonaceous Bombardment: Options For Biomolecule Formation On Aan Oxidized Early Earth

Origin & Evolution of Life

Deep Mantle-Atmosphere Coupling And Carbonaceous Bombardment: Options For Biomolecule Formation On Aan Oxidized Early Earth

Planetesimal Impact Vapor Plumes and Nebular Shocks Form Chondritic Mixtures

Meteorites & Asteroids

Planetesimal Impact Vapor Plumes and Nebular Shocks Form Chondritic Mixtures

Earth’s Oldest Impact Crater Found, Rewriting Planetary History

Impact events

Earth’s Oldest Impact Crater Found, Rewriting Planetary History

Evidence Of An Ancient Cosmic Event Deep In Earth’s Oceans

Astrochemistry

Evidence Of An Ancient Cosmic Event Deep In Earth’s Oceans

InSight Finds Marsquakes From Meteoroids Go Deeper Than Expected

Mars

InSight Finds Marsquakes From Meteoroids Go Deeper Than Expected

The Current Cratering Rate on the Regular Satellites of Jupiter, Saturn, and Uranus

Icy Worlds

The Current Cratering Rate on the Regular Satellites of Jupiter, Saturn, and Uranus

Chicxulub Asteroid Impact Sulfur Release Was Less Lethal In Dinosaur Extinction

Impact events

Chicxulub Asteroid Impact Sulfur Release Was Less Lethal In Dinosaur Extinction

Exchange Of Meteorites Between The Terrestrial Planets And The Moon

Meteorites & Asteroids

Exchange Of Meteorites Between The Terrestrial Planets And The Moon

Massive Volcanic Eruptions Did Not Cause The Extinction Of Dinosaurs

Extinction events

Massive Volcanic Eruptions Did Not Cause The Extinction Of Dinosaurs

The Smallest Asteroids Ever Detected In The Main Belt

Comets and Asteroids

The Smallest Asteroids Ever Detected In The Main Belt