News tagged with northern hemisphere

Juno spacecraft images 'Big Dipper'

(Phys.org) -- In England it is known as the "Plough," in Germany the "Great Cart," and in Malaysia the "Seven Ploughs." Since humanity first turned its eyes skyward, the seven northern hemisphere stars that ...

dateMay 11, 2012 in Space Exploration
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STAR TRAK for March 2012

Mars was opposite the sun in our sky on March 3, rising at sunset and remaining visible all night. If you looked to the east as the sky darkened, you could see the Red Planet gleaming at its biggest and brightest, ...

dateMar 06, 2012 in Space Exploration
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Why does Sirius twinkle?

At this time of year, after dark we in the northern hemisphere are able to see the mighty constellation of Orion rise high in the sky with a very bright companion in a nearby constellation: Sirius – The ...

dateJan 17, 2012 in Astronomy
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Marine predators in trouble: researchers

Iconic marine predators such as sharks, tunas, swordfish, and marlins are becoming increasingly rare under current fishing trends, say University of British Columbia researchers.

dateDec 05, 2011 in Ecology
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Simultaneous ice melt in Antarctic and Arctic

The end of the last ice age and the processes that led to the melting of the northern and southern ice sheets supply basic information on changes in our climate. Although the maximum size of the ice sheet in the northern ...

dateDec 02, 2011 in Earth Sciences
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Scientists tackle the carbon conundrum

U.S. scientists have developed a new, integrated, ten-year science plan to better understand the details of Earth's carbon cycle and people's role in it. Understanding the carbon cycle is central for mitigating climate change ...

dateNov 16, 2011 in Earth Sciences
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