Asteroid Archives - Page 2 of 2

Early, Energetic Collisions Could Have Fueled Venus Volcanism: Study

By News Staff July 20, 2023

New research shows that long-lived volcanism, driven by early, energetic collisions on Venus, offers an explanation of its young surface age with stagnant-lid tectonics. This volcanic activity is fuelled by…

Scientists Find Vitamin B3 and Uracil in Samples from Asteroid Ryugu

By News Staff March 22, 2023

An international team of researchers has detected nicotinic acid (also known as vitamin B3 or niacin) and uracil, one of the four nucleobases in ribonucleic acid, in aqueous extracts from…

DART Offers Insight into How Deflection Missions Can Protect Earth from Hazardous Asteroids

By News Staff March 2, 2023

On September 26, 2022, NASA’s Double Asteroid Redirection Test (DART) intentionally slammed into the 160-m-wide asteroid moonlet Dimorphos — which orbits the larger, 780-m-wide asteroid Didymos — for the first…

Chicxulub-Like Asteroid Caused Megatsunami on Early Mars

By News Staff December 1, 2022

The Chicxulub-like asteroid crash landed in shallow ocean waters in the Martian region of Chryse Planitia 3.4 billion years ago (Hesperian period) and left a crater about 110 km wide,…

Stars and Building Blocks of Their Planets ‘Grow Up’ Together, New Study Suggests

By News Staff November 15, 2022

The timing and locations of formation of planetesimals — the building blocks of planets — are crucial to the understanding of planet formation. If we are to form larger planets…

Researchers Find Extraterrestrial Noble Gases in Asteroid Ryugu Sample

By Sergio Prostak November 3, 2022

The sample of material delivered to our planet from the near-Earth asteroid Ryugu contained a mixture of extraterrestrial (helium and neon) and terrestrial atmospheric gases, according to new research led…