[ESA]. In the early history of our Solar System, a Mars-sized object called Theia smashed into the infant Earth, vapourising massive amounts of rock and blasting it into space. Some […]
Late Heavy Bombardment
Posted inImaging & Spectroscopy
A Missing Continental Impact Melt Sheet Signal In The Early Earth Detrital Zircon Record
[Nature Communications] Impact-derived melting has been proposed as a significant process in the formation of Earth’s early crust which could mean that impact melts are a source for Earth’s oldest […]
Posted inAstrochemistry
Sugar Erythrulose Discovered In Interstellar Space
[Spanish National Research Council (CSIC)] Sugars are key biomolecules in living organisms, as they form the backbone of DNA and RNA and play a fundamental role in metabolic processes. In […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Impact events, Status Report
Migration of Bodies to the Earth from Different Distances from the Sun
Migration of bodies under the gravitational influence of almost formed planets was studied, and probabilities of their collisions with the Earth and other terrestrial planets were calculated. Based on the […]
Posted inComets and Asteroids, Extinction events, Fossils & Paleontology, Habitable Zones, Impact events, Press Release
NASA Study Shows Asteroids May Have Accelerated Life on Earth
A NASA-funded study indicates that an intense asteroid bombardment nearly 4 billion years ago may not have sterilized the early Earth as completely as previously thought. The asteroids, some the […]