What is the North Pole?
A: The North Pole is the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface.
It is called the True North Pole to distinguish it from
A: The Magnetic North Pole.
What is the North Pole by definition?
A: The northernmost point on the Earth, lying antipodally to the South Pole.
It defines geodetic latitude 90° North, as well as
A: The direction of true north.
At the North Pole all directions point where?
No time zone has been what?
A: Assigned to the North Pole, so any time can be used as the local time.
Along tight latitude circles, counterclockwise is what
A: East and clockwise is west.
The North Pole is at the center of what?
A: The Northern Hemisphere.
The nearest land is usually said to be what?
A: Kaffeklubben Island, off the northern coast of Greenland about 700 km (430 mi) away.
What is the nearest permanently inhabited place?
A: Alert in the Qikiqtaaluk Region, Nunavut, Canada, which is located 817 km (508 mi) from the Pole.
While the South Pole lies on a continental land mass,
the North Pole is located where?
A: In the middle of the Arctic Ocean amid waters that are almost permanently covered with constantly shifting sea ice.
The sea depth at the North Pole has been measured at
A: 4,261 m (13,980 ft) by the Russian Mir submersible in 2007 and at 4,087 m (13,409 ft) by USS Nautilus in 1958.
This makes it impractical to construct what?
A: A permanent station at the North Pole.
Studies in the 2000s predicted that the North Pole may
become seasonally ice-free because of Arctic ice shrinkage, with what time
A: Varying from 2016 to the late 21st century or later.
Attempts to reach the North Pole began when?
A: In the late 19th century, with the record for "Farthest North" being surpassed on numerous occasions.
What was the first undisputed expedition to reach the
A: It was that of the airship Norge, which overflew the area in 1926 with 16 men on board, including expedition leader Roald Amundsen.
The Earth's axis of rotation – and hence the position
of the North Pole – was commonly believed to be fixed (relative to the
surface of the Earth) until what?
A: In the 18th century, the mathematician Leonhard Euler predicted that the axis might "wobble" slightly.
Around the beginning of the 20th century astronomers
noticed a small apparent "variation of latitude", as determined for a fixed
point on Earth from the observation of what?
As early as the 16th century, many prominent people
correctly believed that the North Pole was in a sea, which in the 19th
century was called what?
A: The Polynya or Open Polar Sea.
One of the earliest expeditions to set out with the
explicit intention of reaching the North Pole was that of whom?
A: British naval officer William Edward Parry, who in 1827 reached latitude 82°45′ North.
In 1871, the Polaris expedition, a US attempt on the
Pole led by Charles Francis Hall, ended in what?
An 1879–1881 expedition commanded by US naval officer
George W. De Long ended how?
A: Tragically when their ship, the USS Jeannette, was crushed by ice.
Over half the crew, including De Long, were what?