"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our solar system." ...

NASA’s Lucy spacecraft is gearing up for an exciting flyby of the asteroid Donaldjohanson on April 20, 2025. The mission, which aims to study asteroids in the Trojan swarms orbiting Jupiter, has ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...

How old is asteroid (52246) Donaldjohanson (DJ), which is about to be studied by NASA’s Lucy spacecraft in an upcoming flyby on April 20, 2025? This is what a recent study published in The Planetary ...

NASA’s Lucy spacecraft is set for an exciting April 20, 2025, flyby of Donaldjohanson, a main belt asteroid that could offer new clues about planetary formation. Donaldjohanson likely broke off ...

NASA’s Lucy spacecraft’s first views of the asteroid Donaldjohanson. The asteroid is outlined with a square in the right image to guide the eye. Disclaimer: AAAS and EurekAlert! are not ...

SAN ANTONIO — March 17, 2025 — New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger ...

Discovered in 1974 by Donald Johanson, Lucy is special because she lived so long ago (3.2 millions years) and because almost half of her skeleton was found. (Most fossil finds are just fragments ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart ...

Credit: NASA's Goddard Space Flight Center The next stop for NASA's asteroid-hopping spacecraft Lucy is a space rock named Donaldjohanson, an object researchers recently learned is about 150 ...