divide

When the asteroid data is plotted on a graph of the rotation period versus diameter, something startling stands out - there's a gap, or dividing line that appears to split two distinct populations.

It came after a speech packed with new policies aimed at grabbing political attention and setting out clear dividing lines with her opponents.

“But again, the freeways are fundamental structures that divided the city and created all kinds of underclasses, which really affected lots of people of color and lots of people who were working class.”

While the focus is on Northern Ireland's future, the divides of the past hang over many of the discussions.

"There's a clear divide between responsible and irresponsible owners," she says.