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 ...

May 11, 2012
4.5 / 5 (2) 0

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, ...

Mar 06, 2012
not rated yet 0

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 ...

Jan 17, 2012
5 / 5 (5) 10

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.

Dec 05, 2011
5 / 5 (4) 2

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 ...

Dec 02, 2011
4.4 / 5 (8) 3

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 ...

Nov 16, 2011
5 / 5 (2) 26

STAR TRAK for October

As the short nights of summer give way to the longer nights of autumn in the Northern Hemisphere, Jupiter will come into view above the southeastern horizon as the sun sets. The huge planet will be much brighter ...

Oct 04, 2011
5 / 5 (1) 10