Related topics: earth · nasa · solar system · orbit · meteorite

Active asteroid unveils fireball identity

At around 1 a.m. local standard time on April 29, 2017, a fireball flew over Kyoto, Japan. Compared to other fireballs spotted from Earth, it was relatively bright and slow. Now, scientists have determined not only what the ...

NASA's Lucy mission confirms discovery of Eurybates satellite

NASA's Lucy mission team is seeing double after discovering that Eurybates, the asteroid the spacecraft has targeted for flyby in 2027, has a small satellite. This "bonus" science exploration opportunity for the project was ...

Image: Hera scans Didymoon

Hera is a candidate ESA mission be presented to ESA's Space19+ meeting next week as part of the Agency's Space Safety programme, where Europe's space ministers will take a final decision on flying it.

Japan spacecraft starts yearlong journey home from asteroid

A Japanese spacecraft left a distant asteroid on Wednesday, starting its yearlong journey home after successfully completing its mission to gather soil samples and data that could provide clues to the origins of the solar ...

The voyage home: Japan's Hayabusa-2 probe to head for Earth

Japan's Hayabusa-2 probe will leave its orbit around a distant asteroid and head for Earth on Wednesday after an unprecedented mission, carrying samples that could shed light on the origins of the Solar System.

Lucy mission completes critical design review

The Lucy mission led by Southwest Research Institute is one step closer to its 2021 launch to explore the Trojan asteroids, a population of ancient small bodies that share an orbit with Jupiter. With the successful completion ...

page 1 from 23

Asteroid

Asteroids, sometimes called minor planets or planetoids, are small Solar System bodies in orbit around the Sun, especially in the inner Solar System; they are smaller than planets but larger than meteoroids. The term "asteroid" has historically been applied primarily to bodies in the inner Solar System since the outer Solar System was poorly known when it came into common usage. The distinction between asteroids and comets is made on visual appearance: Comets show a perceptible coma while asteroids do not.

This text uses material from Wikipedia, licensed under CC BY-SA