162173 Ryugu - Wikipedia
162173 Ryugu (provisional designation 1999 JU3) is a near-Earth object and a potentially hazardous asteroid of the Apollo group. It measures approximately 900 metres (3,000 ft) in diameter and is a dark object of the rare spectral type Cb, [11] with qualities of both a C-type asteroid and a B-type asteroid.
First Look at Ryugu Asteroid Sample Reveals it is Organic-Rich
2023年2月23日 · Asteroid Ryugu has a rich complement of organic molecules, according to a NASA and international team’s initial analysis of a sample from the asteroid’s surface delivered to Earth by Japan’s Hayabusa2 spacecraft. The discovery adds support to the idea that organic material from space contributed to the inventory of chemical components ...
Hayabusa2 - Science@NASA
Hayabusa2 is a Japanese spacecraft that explored asteroid Ryugu (162173) from June 2018 to November 2019. It dispatched a series of landers and a penetrator, and it collected multiple samples from the asteroid.
Ryugu asteroid sample return provides a natural laboratory for ...
2023年5月30日 · The samples returned from near-Earth asteroid (162173) Ryugu provide a pristine record of the 4.6 billion years since the birth of the Solar System. The Hayabusa2 initial analysis team has...
Analyzing asteroid Ryugu | Science - AAAS
2023年2月23日 · These findings elucidate the joint history of Ryugu and CI chondrites, providing new context for meteorites in the world’s collections. The Hayabusa2 mission, operated by the Japan Aerospace Exploration Agency (JAXA), launched 3 December 2014 and spent most of 2018 and 2019 exploring the 900-m-diameter, near-Earth asteroid (162173) Ryugu.
The evolution of organic material on Asteroid 162173 Ryugu and …
2024年7月22日 · The recent return of samples from asteroid 162173 Ryugu provides a first insight into early Solar System prebiotic evolution from known planetary bodies. Ryugu’s samples are CI...
The surface composition of asteroid 162173 Ryugu from
2019年3月19日 · The near-Earth asteroid 162173 Ryugu, the target of the Hayabusa2 sample-return mission, is thought to be a primitive carbonaceous object. We report reflectance spectra of Ryugu’s surface acquired with the Near-Infrared Spectrometer (NIRS3) on Hayabusa2, to provide direct measurements of the surface composition and geological context for the ...
Rare Asteroid Sample Contaminated by Microorganisms Despite …
3 天之前 · The Japanese space agency (JAXA)’s Hayabusa2 collected 5.4 grams (about a teaspoon’s worth) of rock, pebbles, and dust from the Ryugu asteroid when it was nearly 200 million miles from Earth.
Formation and evolution of carbonaceous asteroid Ryugu
2022年9月22日 · Samples of the carbonaceous asteroid Ryugu were brought to Earth by the Hayabusa2 spacecraft. We analyzed 17 Ryugu samples measuring 1 to 8 millimeters. Carbon dioxide–bearing water inclusions are present within a pyrrhotite crystal, indicating that Ryugu’s parent asteroid formed in the outer Solar System.
Preliminary analysis of the Hayabusa2 samples returned from …
On 6 December 2020, samples from the C-type asteroid 162173 Ryugu were returned to Earth by Hayabusa2 in a hermetically sealed container within the re-entry capsule (Tachibana, S. et al.,...