Asteroids

Articles and guides about asteroids.

Was Itokawa formed by a sub-catastrophic collision? Credit: JAXA

How do binary asteroids form?

Jim-Al-Khalili

Radio Astronomy Podcast Jim Al-Khalili, OSIRIS REx, IIAPY 2019, tardigrades on the Moon

An asteroid passing by Earth (artist's impression). Credit: ESA/P.Carril

Asteroid Day, 30 June 2019: all you need to know

An artist's impression of an asteroid belt around the bright star Vega. Credits: NASA/JPL-Caltech

Interview The science of space rocks

Asteroid-Bennu

OSIRIS REX discovers water on asteroid Bennu

An image of star cluster NGC 3293, taken by the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESO’s La Silla Observatory in Chile. Our Sun formed in a tightly-packed cluster like this, where asteroid exchange can occur between star systems. Image Credit: ESO/G. Beccari

First interstellar Solar System visitor discovered

The asteroid is a relic of the gravitational upheaval that occured during the early eras of the Solar System. Credit: ESO/M. Kornmesser

Asteroid found in exile in outer Solar System

Oumuamua_artist

‘Oumuamua likely came from binary system

The elongated crater ‘Spirit of St. Louis’ can be seen in this image of the Martian surface, as seen by NASA's Mars Exploration Rover Opportunity. Credits: NASA/JPL-Caltech/Cornell Univ./Arizona State University

Asteroids, comets deliver organics to Mars

An artist’s impression of the first interstellar asteroid, named `Oumuamua. It may have been travelling through space for millions of years before entering our Solar System. Image Credit: ESO/M. Kornmesser

Interstellar asteroid ‘Oumuamua enters Solar System

OSIRIS

NASA needs you!

The Pan-STARRS 1 Observatory on Haleakala, Maui, Hawaii, just before sunrise. Has the telescope spotted the first known object to enter our Solar System from outside? Credit: Rob Ratkowski.

‘Asteroid’ spotted from beyond Solar System

The two asteroids are thought to have once been a larger object, but it split apart over 5,000 years ago. Image Credit: NASA, ESA, and J. Agarwal (Max Planck Institute for Solar System Research)

Rare comet-asteroid hybrid found

DetectingDisasterMAIN4

Asteroid Day: Detecting Disaster

The AIM spacecraft analyses the moment of impact in infrared. Credit: ESA - ScienceOffice.org

AIM: the mission to deflect an asteroid