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Antarctica
ContinentSee more on en.wikipedia.org · Text under CC-BY-SA licenseAntarctica is Earth's southernmost continent. It contains the geographic South Pole and is situated in the Antarctic region of the Southern Hemisphere, almost entirely south of the Antarctic Circle, and is surrounded by the Southern Ocean. At 14,200,000 square kilometres, it is the fifth-largest continent and nearly twice the …- Archaeologists and geologists believe that millions of years ago Antarctica was part of a larger continent called Gondwanaland. About 200 million years ago, as a result of shifting in the plates of Earth's crust, Gondwanaland broke apart and created the separate continents of Antarctica, Africa, Australia, South America, and India. Antarctica is currently centered roughly on the geogr…
- Few land plants grow in Antarctica. This is because Antarctica does not have much moisture (water), sunlight, good soil, or a warm temperature. Plants usually only grow for a few weeks in the summer. However, moss, lichen and algae do grow. The most important organisms in Antarctica are the plankton which grow in the ocean.
- There are 7 species of penguins that can be found on the frozen land: Adelie penguins, Gentoo penguins, Chinstrap penguins, King penguins, Rockhopper penguins, Macaroni penguins and Emperor penguins - the only species that stays during the winter.
- Geological history and palaeontology
More than 170 million years ago, Antarctica was part of the supercontinent Gondwana. Over time, Gondwana gradually broke apart, and Antarctica as we know it today was formed around 25 million years ago. Antarctica was not always cold, dry, and covered in ice sheets. At a number o... - Present-day
The geological study of Antarctica has been greatly hindered by nearly all of the continent being permanently covered with a thick layer of ice. However, new techniques such as remote sensing, ground-penetrating radar and satellite imagery have begun to reveal the structures bene...
- The area of Antarctica is approximately 5.4 million square miles (14 million square km). The continental U.S. is 3.6 million square miles (9.36 million square km).
- The Antarctic Ice Sheet dominates the region. It is the largest single piece of ice on Earth. This ice sheet even extends beyond the continent when snow and ice are at their most extreme. The ice surface dramatically grows in size from about 3 million square kilometers (1.2 million square miles) at the end of summer to about 19 million square kilometers (7.3 million square miles) by winter. I…
- Approximately 99 % of the continent of Antarctica is covered by thick ice that reaches a thickness of four kilometers in some regions. Beneath the ice there is land with the Transantarctic Mountains dissecting Antarctica into Eastern Antarctica and Western Antarctica. Gamburtsev Mountain ranges is a chain of mountains almost the size of the Alps but are buried by the ice. La…
- Antarctica is the coldest of Earth's continents. It used to be ice-free until about 34 million years ago, when it became covered with ice. The lowest natural air temperature ever recorded on Earth was −89.2 °C at the Russian Vostok Station in Antarctica on 21 July 1983. For comparison, this is 10.7 °C colder than subliming dry ice at one atmosphere of partial pressure, but since CO2 only …
- Despite all its ice, Antarctica is classified as a desert because so little moisture falls from the sky. The inner regions of the continent receive an average of 2 inches (50 millimeters) of precipitation primarily in the form of snow each year. To put that into perspective, much of the Sahara desert gets twice as much rain each year. The coastal regions of Antarctica receive more falling moistu…
- Climate Antarctica has an extremely cold, dry climate. Winter temperatures along Antarcticas coast generally range from -10° Celsius to -30° Celsius (14° Fahrenheit to -22° Fahrenheit). During the summer, coastal areas hover around 0°C (32°F) but can reach temperatures as high as 9°C (48°F). In the mountainous, interior regions, temperatures are much colder, dropping bel…
- The harsh weather and remote location does little to keep scientists away from the southern continent.
- Like many of Antarcticas research facilities, Davis Station has a hydroponic greenhouse. Hydroponics is the practice of growing plants with water and nutrients only. Hydroponics requires excellent gardeners because produce is grown without soil. Fresh produce adds variety and nutrition to Antarctic meals. The greenhouse also serves as a sunroom for sunlight-deprived resi…
- Antarctica, on average, is the coldest, driest, and windiest continent, and has the highest average elevation of all the continents. Antarctica is considered a desert, with annual precipitation of only 200 mm along the coast and far less inland. The temperature in Antarctica has reached 89 °C . There are no permanent human residents, but anywhere from 1,000 to 5,000 people reside thro…
- Environmental auditing, compulsory environmental impact assessments, a permitting system and a system of protected areas are among the arsenal of management tools available for reducing current and future impacts of activities in Antarctica. Environmental audits are used to assess our activities. A system of environmental impact assessment is included in the Madrid Protocol (and …
- Several governments maintain permanent manned research stations on the continent. The number of people conducting and supporting scientific research and other work on the continent and its nearby islands varies from about 1,000 in winter to about 5,000 in the summer, giving it a population density between 70 and 350 inhabitants per million square kilometres at these times. …
- There are no indigenous people on the frozen continent. Today, human habitation exists at a variety of scientific research stations managed by more than 20 countries, including the United States, China, Russia, Japan, France and Germany.
- Antarctica is one of the few parts of the earth without permanent residents. The region has no permanent residential houses, industries, towns or commercial activities. The only people found in the region are either researchers or tourists. America, Britain, Belgium, Chile, Russia, Argentina, and Norway have set scientific research stations on the continent and adjacent islands. Researc…
- The plant life on Antarctica is limited to a smattering of mosses, lichen and algae. Seasonal moss coverage on Antarctica, especially on its rapidly warming peninsula, has increased steadily over the last 50 years. Scientists expect the cold continent to become even more green as global temperatures continue to rise.
- The ocean, however, teems with fish and other marine life. In fact, the waters surrounding Antarctica are among the most diverse on the planet. Upwelling allows phytoplankton and algae to flourish. Thousands of species, such as krill, feed on the plankton. Fish and a large variety of marine mammals thrive in the cold Antarctic waters. Blue, fin, humpback, right, minke, sei, and s…
- The ecosystem of Antarctica does not support substantial plant growth due to lack of moisture, sunlight, warm temperature, and good soil. Few plants grow for the short duration of summer although algae, lichen, moss, and planktons grow. Animal species can rarely thrive in Antarctica making the krill the only source of food. The marine crustaceans, as well as whales, seals, peng…
- There are no land based animals or plants in the Antarctic desert, witch means all the animals and plants in the Antarctic Desert can be in and out of water. In this bare Antarctic Desert there are animals such as the Polar Bear, Southern Elephant seal, Albatross, Seals (6 species), King Penguin, Whales and Birds (12 species). There are also such plants as moss, Lichen, Algae the…
- At the beginning of the 20th century, two groups of explorers set out across the desolate Antarctic landscape in a race to walk where no man had walked before. One team was led by Norwegian explorer Roald Amundsen, and the other by English naval officer Robert Scott. The groups spent 99 days racing one another to the South Pole, before Amundsen's group claimed victory on Dec…
- For a long time, people had believed that there was a great continent in the far south of Earth. They thought this Terra Australis would \"balance\" the lands in the north like Europe, Asia and North Africa. People have believed this from the times of Ptolemy (1st century AD). He suggested this idea to keep the balance of all known lands in the world. Pictures of a large land in the sout…
- Since the early 1990s, European and Canadian satellites have been collecting radar data from West Antarctica. These radar data can reveal ice motion and, by the late 1990s, there was enough data for scientists to measure the annual motion of the Pine Island Glacier. Using radar information collected between 1992 and 1996, oceanographer Eric Rignot, based at NASAs Jet …
- Currently, Argentina, the United Kingdom, Chile, France, New Zealand, Australia, and Norway have all claimed areas to establish research bases. At this time, there are 15 established science bases around the continent with scientists from 28 different nations. There are more than 4,000 scientists that operate the research stations in the summer months but this number decreases t…
- Use guided research to explore how and why scientists study Antarctic animals.Group students in pairs or small cooperative groups to research techniques and approaches scientists use to study Antarctic animals. Provide students with a copy of the Data chart: Studying animals of the Antarctic [PDF].After conducting the research, describe the different approaches used to study A…
- 1928-30 - Richard Byrd's First Expedition - City of New York and Eleanor BollingThe two ships deposited Byrd and his team on the Ross Sea side of Antarctica for a two year privately funded expedition. The most highly publicized event was the very first flight over the South Pole in a Ford Trimotor airplane named the \"Floyd Bennett\" on the 28th of November 1929 by Byrd and three …
- The frozen southern continent wasn't spotted until 1820. American seal hunter John Davis was the first to claim he landed on Antarctica in 1821, although some historians dispute his claim. Despite the lack of lush greenery, and complete absence of amphibians, reptiles and terrestrial mammals, there remains an abundance of wildlife in and around Antarctica. Large populations of penguins…
Antarctica | LIVE Weather Map | Zoom Earth
https://zoom.earth/places/antarcticaWeather forecasts and LIVE satellite images of Antarctica. View rain radar and maps of forecast precipitation, wind speed, temperature and more.
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Jan 19, 2020 · Language is in German at a scale of 1:40,000,000. 3. Blue Marble Antarctica Satellite Map. Download. Introducing: NASA’s Blue Marble of …
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- https://earthobservatory.nasa.gov/images/36839
Jan 30, 2009 · This mosaic image of Antarctica was created from data collected on various overpasses throughout the day. Each overpass is a pie-shaped wedge in the image. More …
- https://geology.com/world/antarctica-satellite-image.shtml
Map of Antarctica and the Southern Ocean produced by the LIMA Project (Landsat Image Mosaic of Antarctica). It shows the topography of Antarctica (as blue lines), research stations of the United States and the United Kingdom (in …
- https://www.nasa.gov/.../landsat_antarctica.html
Image right: The Landsat Image Mosaic of Antarctica (LIMA) will show the Antarctic continent for the first time in high-resolution, true-color satellite images. As can be seen in this sample Landsat image of the area around …
LANDSAT Satellite Imagery of Antarctica | Satellite …
https://www.satimagingcorp.com/gallery/landsat/landsat-antarcticaJilin-1 Optical Satellite; Jilin-1 Smart Video Satellite; Jilin-1 Hyperspectral Satellite; TerraSAR-X; SPOT-6 (1.5m) SPOT-7 (1.5m) Other Satellites (2m-30m) FORMOSAT-2 (2m) TH-01 (2m) ALOS (2.5m) CARTOSAT-1 (2.5m) SPOT-5 …
SATELLITE IMAGE OF A “SOMETHING”… IN …
https://gizadeathstar.com/2020/11/satellite...Nov 5, 2020 · Antarctica bombshell: Satellite snapped 400ft ‘manmade’ formation in 'untouched' region Now as you might have guessed, this sets off my high octane speculation motor. But before we get to that, just a reminder about …
Daily HD Satellite Map | Zoom Earth
https://zoom.earth/maps/dailyNASA high-definition daily satellite imagery. Updated every day since the year 2000. NASA high-definition daily satellite imagery. Updated every day since the year 2000. ... NASA high …
New satellite images reveal mysterious dome structure hidden in ...
https://www.thesun.co.uk/news/2548611/antarctica...Jan 6, 2017 · The claims come just months after an image appeared to show a pyramid on Antartica Credit: Google Earth. It appears to be 400ft across and man-made, with its discovery …
