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asteroids

A high-resolution image of Bennu taken on approach
Posted inNews

All About Bennu: A Rubble Pile with a Lot of Surprises

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 March 201915 February 2022

Asteroid Bennu has been under close scrutiny since December. Here are six key results from the first few months of data from OSIRIS-REx.

A mosaic image of the asteroid Bennu
Posted inResearch Spotlights

Scientists, Explorers Keen to Locate Water-Bearing Asteroids

Aaron Sidder, freelance science writer by Aaron Sidder 11 March 201925 August 2022

Hydrated minerals on near-Earth asteroids offer both scientific revelations and economic incentives for companies looking to refuel satellites with material from nearby space.

Hayabusa2 Ryugu JAXA asteroid touchdown
Posted inNews

A Target Before Shooting Ryugu

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 26 February 201915 February 2022

The asteroid’s rough surface surprised Hayabusa2’s mission scientists. So they pulled out their spare gun and shot an “asteroid” at home first.

The northern hemisphere of Ryugu imaged by Hayabusa2
Posted inNews

Asteroid Mission Attempts Touchdown, Sample Grab

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 February 201915 February 2022

Hayabusa2 will fire a metal bullet into the asteroid surface to eject material that will then be collected. The mission will return the samples to Earth in late 2020.

A view of the asteroid Eros
Posted inResearch Spotlights

How Long Can Celestial Bodies Retain Ice?

by Terri Cook 20 February 201914 January 2022

A new model suggests that many objects in the outer asteroid belt may still harbor deposits that formed around the time of their accretion.

Artist’s impression of an asteroid impacting shallow waters near the modern-day Yucatán Peninsula.
Posted inNews

Huge Global Tsunami Followed Dinosaur-Killing Asteroid Impact

Katherine Kornei, Science Writer by Katherine Kornei 20 December 201829 September 2021

The cataclysmic Chicxulub impact roughly 66 million years ago spawned a tsunami that produced wave heights of several meters in distant waters, new simulations suggest.

Nasa's Dawn spacecraft takes a last look at Ceres on 1 September 2018
Posted inFeatures

Exploring Planetary Breadcrumbs One Asteroid at a Time

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 9 November 201815 February 2022

Six ongoing and future missions explore the variety of asteroids in the solar system, seeking to uncover what makes each of them special.

Artist’s rendering of the impact of an enormous asteroid striking Earth about 66 million years ago, as seen from space.
Posted inNews

Dinosaur-Killing Asteroid Impact Made Huge Dead Zones in Oceans

Lucas Joel by L. Joel 8 August 20185 January 2022

The discovery reveals similarities between the extinction event that ended the Mesozoic Era and human-driven global warming.

Asteroid Ryugu imaged by Japan’s Hayabusa2 spacecraft
Posted inNews

Are We Prepared for an Asteroid Headed Straight to Earth?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 29 June 201815 February 2022

A century after an asteroid crashed into Tunguska, Siberia, experts discuss the current lineup of missions to study asteroids and mitigate future disasters should another object from space hit Earth.

Joanna Morgan and Sean Gulick, lead scientists of the recent Chicxulub drilling expedition.
Posted inNews

After Obliteration, How Long Until Life Returned?

Katherine Kornei, Science Writer by Katherine Kornei 15 December 201723 March 2023

By studying the Chicxulub crater associated with the extinction of more than 75% of species then on Earth, researchers have begun to fill in a timeline for life’s rebound after the cataclysm.

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