Photos of the Year: World Trade Center Window Washers

The video covers three main topics: a scaffolding incident at One World Trade Center where window washers were rescued, highlights from the New York City Marathon including the winner Wilson Kipsang, and NASA's use of a telescope to capture images of the sun, focusing on nano flares. The video reflects on the significant events and technological advancements of the year.

What was the purpose of the new Star telescope mentioned in the text?

What are nano flares, and why are they significant according to the text?