21 November 2017
First interstellar asteroid looks nothing like expected
...encounter with the Sun. Known as 1I/2017 U1 (`Oumuamua) or just `Oumuamua for short, the object, first detected by the...the faintest hint of dust around it.” These features suggest that `Oumuamua is dense, and lacks significant amounts of water or ice....
13 September 2019
Newly discovered comet could be our second interstellar visitor
...Borisov) has in common with our first cosmic tourist, ’Oumuamua. ’Oumuamua lacked the tell-tale signs of a coma and was ... the comet will generate just as much interest. "Unlike 'Oumuamua, whose asteroid-or-comet nature still gets debated, this one is...
20 April 2020
New research shows interstellar visitor 21/Borisov is not your average comet
... to probe the chemical composition of the comet’s nucleus, however, no detectable levels of gas or dust were detected for ’Oumuamua. Comet 2I/Borisov on the other hand has turned out to be a more traditional type of comet; a condensed ball of gas...
17 October 2019
Hubble gets a good look at interstellar visitor Comet 2I/Borisov
...the first identified interstellar visitor, an object dubbed ‘Oumuamua, swung within 38 million kilometres of the Sun before racing ... between the Earth and the Sun. 2I/Borisov and ‘Oumuamua are only the beginning of the discoveries of interstellar objects...
23 May 2018
First permanent extrasolar asteroid found near Jupiter
... Sun. Named after an Hawaiian word meaning ‘scout’, Oumuamua, brushed past the Earth before making its exit as it returned ...in the direction it came from. Oumuamua however was just that - a visitor briefly passing through before ...
29 June 2018
All things asteroid: Who, What, Where and When
...appeared on our radar late last year in November 2017. `Oumuamua, our planet’s first interstellar visitor shook up our idea of...However, just this week a new study has found that `Oumuamua is moving away from the Sun faster than expected, implying that...
