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One of the five star maps published in 1092 AD for Su Song's horological and astronomical treatise, featuring Shen Kuo's corrected position of the pole star. Being the head official for the Bureau of Astronomy, Shen Kuo was an avid scholar of medieval astronomy, and improved the designs of several astronomical instruments.
1968: Ralph Plaisted and three others reach the North Pole by snowmobile and are the first confirmed overland conquest of the Pole; 1968–1969: Wally Herbert, British explorer, reaches Pole on foot and traverses the Arctic Ocean; 1971: Former football player Tony Dauksza becomes the first person to traverse the Northwest Passage in a canoe
The star Polaris, often called either the "Pole Star" or the "North Star", is treated specially due to its proximity to the north celestial pole. When navigating in the Northern Hemisphere , a simple and quick technique can be used with Polaris to determine the observers latitude or, for larger maritime vessels can be used to calculate any ...
The stars Merak (β Ursae Majoris) and Dubhe (α Ursae Majoris) are known as the "pointer stars" because they are helpful for finding Polaris, also known as the North Star or Pole Star. By visually tracing a line from Merak through Dubhe (1 unit) and continuing for 5 units, one's eye will land on Polaris, accurately indicating true north.
Well, that didn't take long. The Escape From Hoth update for Angry Birds Star Wars has barely been out for a parsec, and yet enterprising YouTube users have already cracked the three star level ...
The Sanskrit term dhruva nakshatra (ध्रुव नक्षत्र, "polar star") has been used for Pole Star in the Mahabharata, personified as son of Uttānapāda and grandson of Manu, even though Polaris at the likely period of the recension of the text of the Mahabharata was still several degrees away from the celestial pole. [4] [5]
In about 5,500 years, the pole will have moved near the position of the star Alderamin (Alpha Cephei), and in 12,000 years, Vega (Alpha Lyrae) will become the "North Star", though it will be about six degrees from the true north celestial pole. To find Polaris, from a point in the Northern Hemisphere, face north and locate the Big Dipper ...
The first ever expedition to reach the Geographic South Pole was led by the Norwegian explorer Roald Amundsen.He and four other crew members made it to the geographical south pole on 14 December 1911, [n 1] which would prove to be five weeks ahead of the competitive British party led by Robert Falcon Scott as part of the Terra Nova Expedition.