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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Global warming greatest in past decade

Space & Earth / Earth Sciences

created Sep 01, 2008 | popularity 3 / 5 (79) | comments 73

Researchers confirm that surface temperatures in the Northern Hemisphere were warmer over the last 10 years than any time during the last 1300 years, and, if the climate scientists include the somewhat controversial data ...


Mars

Mars magnetic field mystery explained

Physics / General Physics

created Sep 25, 2008 | popularity 4.1 / 5 (30) | comments 3

(PhysOrg.com) -- So much attention has been paid to the similarities and differences between Earth and Mars that we often look to the ancient red planet for signposts in our own planet's future. A U of T physicist, ...


Methane gas levels begin to increase again

Space & Earth / Earth Sciences

created Oct 29, 2008 | popularity 3.3 / 5 (32) | comments 33

The amount of methane in Earth's atmosphere shot up in 2007, bringing to an end a period of about a decade in which atmospheric levels of the potent greenhouse gas were essentially stable, according to a team led by MIT researchers.


Study suggests H1N1 virus more dangerous than suspected

Study suggests H1N1 virus more dangerous than suspected

Medicine & Health / Research

created Jul 13, 2009 | popularity 4.1 / 5 (20) | comments 3

(PhysOrg.com) -- A new, highly detailed study of the H1N1 flu virus shows that the pathogen is more virulent than previously thought.


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 ...


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 ...


Venus Disappears during Meteor Shower

Venus Disappears during Meteor Shower

Space & Earth / Space Exploration

created Apr 17, 2009 | popularity 4.8 / 5 (12) | comments 0

Picture this: It's 4:30 in the morning. You're up and out before the sun. Steam rises from your coffee cup, floating up to the sky where a silent meteor streaks through a crowd of stars. A few minutes later ...


Arctic heats up more than other places

Space & Earth / Environment

created Jan 16, 2009 | popularity 2.8 / 5 (19) | comments 11

Temperature change in the Arctic is happening at a greater rate than other places in the Northern Hemisphere, and this is expected to continue in the future.


Southern glaciers grow out of step with North

Southern glaciers grow out of step with North

Space & Earth / Earth Sciences

created Apr 30, 2009 | popularity 4.7 / 5 (11) | comments 2

The vast majority of the world’s glaciers are retreating as the planet gets warmer. But a few, including ones south of the equator, in South America and New Zealand, are inching forward.


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 ...


Study Pushes Appearance of Northern Hemisphere Ice Sheets Back By 22 Million Years

Space & Earth / Earth Sciences

created Oct 02, 2008 | popularity 4.3 / 5 (11) | comments 1

(PhysOrg.com) -- Climatologist Robert DeConto of the University of Massachusetts Amherst and colleagues at four institutions are reporting in the Oct. 2 issue of the journal Nature that their latest climate model of the Northern ...


3.2-Million-Year Temperature History from Tiny Fossils

3.2-Million-Year Temperature History from Tiny Fossils

Space & Earth / Earth Sciences

created Aug 05, 2009 | popularity 3.8 / 5 (12) | comments 5

(PhysOrg.com) -- People often talk about greenhouse gases and their effect on the earth's climate as if those effects were new. But greenhouse gases have been around for hundreds of millennia, playing a key ...


The auroras in the Northern and the Southern hemispheres are not identical

The auroras in the Northern and the Southern hemispheres are not identical (w/ Video)

Space & Earth / Earth Sciences

created Jul 23, 2009 | popularity 5 / 5 (7) | comments 12

In a Nature letter published July 23, 2009, Norwegian researchers present evidence that the auroras in the Northern and the Southern hemispheres can be totally asymmetric. These findings contradict the co ...


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, ...