Earth’s orbit around the Sun is not circular, but an ellipse. The perimeter of Earth’s orbit is roughly 584 million miles (940 million km).

It’s time to reopen E Street.The White House is basically a fortress, one strengthened internally in the 1950s with 660 tons of steel-reinforced concrete. After the work was done, President ...

Preparations were underway on Monday ahead of the speech, including the installation of tall black fencing to create a secure perimeter around the Ellipse.

In terms of security measures, there is a steel, anti-climb fence around the perimeter of the Ellipse. The only security checkpoint for the event is located at 17th Street NW and Constitution Ave.

RMA raised the central ellipse and placed an anti-ram wall that doubles as a bench around its perimeter; the bench seating faces the ellipse and helps define the iconic space.

By 9:04 a.m., they alerted officials that 10,000 people were outside the Ellipse perimeter. At 10:41 a.m., they requested additional units to help navigate crowds.

Preparations were underway on Monday ahead of the speech, including the installation of tall black fencing to create a secure perimeter around the Ellipse.