Astronomers call it Oumuamua. Which in Hawaiian ... So too can sunlight push against a spacecraft to propel it through space. Incidentally, we call these spacecraft solar sails.

It was also common at this time for the planets to be visited by celestial objects from outside the system, not unlike the big space rock Oumuamua, which was spotted in 2017 and confirmed as the ...

This artist's impression shows the first interstellar object discovered in the Solar System, Oumuamua. Observations made with the NASA/ESA Hubble Space Telescope, CFHT, and others, show that the ...

This is the interstellar object 'Oumuamua (circled) as seen by the 4.2m William Herschel Telescope on La Palma. Background stars and galaxies appear as streaks due to the telescope following ...