Situated almost directly on the equator, the mountain endures scorching days and freezing nights.

CNN: The snows of Erukenya

At last he came to the city of Quito, high up on the equator.

NPR: Excerpt: 'Natives and Exotics'

Ugandan meteorologist Khalid Muwembe says the lake, which lies on the Equator, has a distinct effect on the region's weather.

CNN: Lethal weather on 'world's most dangerous lake'

It's on the equator so it is perfect weather year round.

FORBES: Cartagena Bay - Colombia

He once walked out the front door of a camp on the equator, and 18 months later, after the circumvolution of the globe at latitude zero on foot, bicycle, canoe and sail, he entered through the back door.

FORBES: Connect

Its first grainy, wide-angle images showed its own left rear wheel parked on the surface of Gale Crater near the equator of Mars, close to the foot of a three-mile-high mountain it aims to explore in months to come.

WSJ: NASA's Curiosity Rover Lands on Mars

At present, the conveyor depends on surface water sinking and travelling towards the equator, there to rise again and bring warmth back to the north (see map in the introduction).

ECONOMIST: A meltdown tinged with acid

Located in the Elysium Planitia, a region near the Martian equator, the network of tunnels has long been obscured by volcanic activity on the plains above.

ENGADGET: Alt-week 3.9.13: Sunstones, knotted vortices and a zero-g robot

On Earth, this restricts them to between 30 degrees latitude from the equator.

BBC: Ice blades threaten Europa landing

It releases a surge of warm water from the equator which kills off the plankton causing the fish which feed on them to die of starvation and driving the survivors south into Chilean waters.

ECONOMIST: The unkind child

At the equator, it takes about 25 days for the surface of the Sun to rotate on its axis.

BBC: Sun has strange 'spin cycle'