square kilometer

To make a difference, millions of animals must roam over millions of square kilometers.

The facility features multiple types of detectors spanning more than a square kilometer of combined area both above and below ground, making it ten times larger than the previous leading instrument.

Moreover, the ultrahigh-energy particles are rare, striking each square kilometer of Earth’s sky only about once per year.

So the researchers initially considered only areas larger than 10,000 square kilometers, roughly the size of Puerto Rico.

By October, ISIS had managed to back Azeema and Nowruz and their teammates into just a handful of square kilometers of the city.

At present European Russia has about 19.4 inhabitants to the square kilometer; Saxony has over 300.

It has two hundred and forty-seven inhabitants for each square kilometer.

On one square kilometer (about three-fifths of a square mile) of the battle field of Campulung 6,000 Rumanian dead were counted.