In advanced topology classes, metric spaces often serve as fundamental examples for illustrating concepts like convergence and continuity.

The international coalition agreed to strengthen space defenses to protect satellites from missile threats.

Microscopic analysis revealed inflammatory cells concentrated within the intervillous spaces of the placenta.

The designer carefully adjusted the en spaces to improve line justification.

To align the columns, insert an en space between the numbers and the units.

In typesetting, an em space is often used to create a consistent separation between elements.

The typesetter adjusted the em spaces to align the paragraph perfectly.

In many textbooks, the classifying space of a group is constructed as the quotient of a free action on a weakly contractible space.

In the seminar, she constructed a covering space of the circle to demonstrate how loops lift under a covering projection.

When the alarms blared, the park ranger grabbed his binoculars and spotted a lone space invader on the ridge.