ʻOumuamua is remarkable for its extrasolar origin, high obliqueness, and observed acceleration without an apparent coma. By July 2019, most astronomers concluded that it was a natural …

2018年7月1日 · A study published Wednesday in the journal Nature indicates that the interstellar visitor, dubbed Oumuamua, is neither an asteroid nor an alien spacecraft (as some wags had …

2024年12月5日 · ‘Oumuamua is t he first confirmed object from another star to visit our solar system. This interstellar interloper appears to be a rocky, cigar-shaped object with a somewhat …

2018年6月27日 · But because ‘Oumuamua appears in telescope images as a single point of light without a coma, scientists then concluded it was an asteroid. But when astronomers saw the …

The first known interstellar object to visit our solar system, 1I/2017 U1 ‘Oumuamua, was discovered Oct. 19, 2017 by the University of Hawaii’s Pan-STARRS1 telescope, funded by …

2018年7月2日 · Comets in our solar system kick off lots of dust and gas when they get close to the Sun, but ‘Oumuamua did not, which led observers to consider defining it as an asteroid. …

2023年9月19日 · 1I/'Oumuamua was a small object that came from interstellar space and passed close to the sun as it traveled through the inner solar system in the autumn of 2017. It was …

Interstellar Asteroid ʻOumuamua was discovered very late, but determined not to be a risk for collision with Earth. The rock should be observable until about 2020, after which it will …

2017年11月16日 · observed within our own solar system—has been named 'Oumuamua, which means "a messenger from afar arriving first" in Hawaiian, representatives of the International …

2018年6月30日 · As he explained, the study of ‘Oumuamua has provided astronomers with the opportunity to improve asteroid detection methods, which could play a vital role in the study of …