Northern Hemisphere

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Coordinates: 45°0′0″N 0°0′0″E / 45°N 0°E / 45; 0

The Northern Hemisphere is the half of a planet that is north of the equator—the word hemisphere literally means 'half sphere'. It is also that half of the celestial sphere north of the celestial equator. Earth's northern hemisphere contains most of its land area and most of its human population (about 90%).

For more information about Northern Hemisphere, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.


News tagged with northern hemisphere

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NASA's AIM Satellite and Models are Unlocking the Secrets of Mysterious 'Night-Shining' Clouds (w/ Video)

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- NASA's Aeronomy of Ice in the Mesosphere (AIM) satellite has captured five complete polar seasons of noctilucent (NLC) or "night-shining" clouds with an unprecedented horizontal resolution ...


Hypoxia increases as climate warms

Space & Earth / Earth Sciences

created Dec 15, 2009 | popularity 4.2 / 5 (5) | comments 0

A new study of Pacific Ocean sediments off the coast of Chile has found that offshore waters experienced systematic oxygen depletion during the rapid warming of the Antarctic following the last "glacial maximum" period 20,000 ...


Greenhouse gas carbon dioxide ramps up aspen growth

Space & Earth / Environment

created Dec 04, 2009 | popularity 3.5 / 5 (8) | comments 6

The rising level of atmospheric carbon dioxide may be fueling more than climate change. It could also be making some trees grow like crazy.


Big freeze plunged Europe into ice age in months

Space & Earth / Earth Sciences

created Nov 30, 2009 | popularity 4 / 5 (17) | comments 7

In the film, 'The Day After Tomorrow' the world enters the icy grip of a new glacial period within the space of just a few weeks. Now new research shows that this scenario may not be so far from the truth after all.


Caltech scientists explain puzzling lake asymmetry on Titan

Scientists explain puzzling lake asymmetry on Titan

Space & Earth / Space Exploration

created Nov 29, 2009 | popularity 4.4 / 5 (14) | comments 0

Researchers at the California Institute of Technology (Caltech) suggest that the eccentricity of Saturn's orbit around the sun may be responsible for the unusually uneven distribution of methane and ethane ...


Past regional cold and warm periods linked to natural climate drivers

Space & Earth / Earth Sciences

created Nov 26, 2009 | popularity 3.8 / 5 (19) | comments 31

Intervals of regional warmth and cold in the past are linked to the El Niño phenomenon and the so-called "North Atlantic Oscillation" in the Northern hemisphere's jet stream, according to a team of climate scientists. These ...


Cassini Captures Ghostly Dance of Saturn's Northern Lights

Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)

Space & Earth / Space Exploration

created Nov 24, 2009 | popularity 4.9 / 5 (10) | comments 1

(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...


Cyclone Anja hits wind shear, weakens drastically

Cyclone Anja hits wind shear, weakens drastically

Space & Earth / Earth Sciences

created Nov 17, 2009 | popularity not rated yet | comments 0

This morning, Cyclone Anja was a powerful Category 4 cyclone on the Saffir-Simpson scale. Wind shear has now giving Anja a strong "punch in the gut" as the storm has weakened to a Category 1 cyclone.


Taking a Bite of Antarctic Ice

Taking a Bite of Antarctic Ice

Space & Earth / Space Exploration

created Nov 16, 2009 | popularity 3.8 / 5 (6) | comments 1

Scientists with NASA’s IceBite project are heading this week for University Valley, a hanging valley perched more than 1600 feet (more than 1 mile) above sea level in Antarctica’s McMurdo Dry Valleys. Their ...


Frost-Covered Phoenix Lander Seen in Winter Images

Frost-Covered Phoenix Lander Seen in Winter Images

Space & Earth / Space Exploration

created Nov 05, 2009 | popularity 4.6 / 5 (5) | comments 0

(PhysOrg.com) -- Winter images of NASA's Phoenix Lander showing the lander shrouded in dry-ice frost on Mars have been captured with the High Resolution Imaging Science Experiment, or HiRISE camera, aboard ...


Swine flu deaths jump by 700 in a week: WHO

Medicine & Health / Diseases

created Oct 30, 2009 | popularity 5 / 5 (1) | comments 0

The number of swine flu deaths jumped by 700 in a week, reaching more than 5,700 worldwide since the virus was first uncovered in April, World Health Organisation data indicated Friday.


Taj Cyber-Network Now Expands Across the Northern Hemisphere and Connects Half the Globe

Taj Cyber-Network Now Expands Across the Northern Hemisphere and Connects Half the Globe

Technology / Telecom

created Oct 15, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- The National Science Foundation (NSF)-funded Taj network has expanded to the Global Ring Network for Advanced Application Development (GLORIAD), wrapping another ring of light around the northern ...


Research discovers underground pockets of water, natural gas

Space & Earth / Earth Sciences

created Oct 14, 2009 | popularity 4 / 5 (8) | comments 1

(PhysOrg.com) -- Look out below! That's the warning a University of Alberta geophysics researcher has for hydrocarbon and water drillers after discovering uncharted land forms beneath the surface of the province. Deep valleys, ...


Air pollutants from abroad a growing concern, says new report

Space & Earth / Environment

created Sep 29, 2009 | popularity not rated yet | comments 0

Plumes of harmful air pollutants can be transported across oceans and continents -- from Asia to the United States and from the United States to Europe -- and have a negative impact on air quality far from their original ...


Floundering El Ninos Make for Fickle Forecasts

Floundering El Ninos Make for Fickle Forecasts

Space & Earth / Earth Sciences

created Sep 29, 2009 | popularity 4.3 / 5 (7) | comments 0

(PhysOrg.com) -- Since May 2009, the tropical Pacific Ocean has switched from a cool pattern of ocean circulation known as La Niña to her warmer sibling, El Niño. This cyclical warming of the ocean waters ...