This is the 7069th most frequent Russian word.
бенну
The word "бенну" does not appear to have a meaning in standard Russian; it may be a typo or a non-standard term.
In this usage, "Бенну" is the name of the asteroid, employed in the context of discussing astronomical phenomena.
Она прочитала о комете Бенну в научной статье.
She read about the asteroid Bennu in a scientific article.
Here, "Бенну" serves as the object location of an event (the impact), highlighting its status as a celestial body.
Фильм о падении астероида на Бенну посмотрели все школьники.
The movie about the asteroid impact on Bennu was watched by all the schoolchildren.
In this sentence, "Бенну" is used to describe a displayed model, referring to it as a known object in a scientific context.