SCIENCE IN THE NEWS DAILY
New Milky Way Map Created; Shows Fewer Main Arms
from National Geographic News
Astronomers unveiled [Tuesday] what they are calling the best map ever produced of the Milky Way galaxy. The new view shows our spiral galaxy as it would look face-on to a very distant observer.
The map is based on findings about the structural evolution of the Milky Way presented this week at the 212th meeting of the American Astronomical Society in St. Louis, Missouri.
Robert Benjamin of the University of Wisconsin-Whitewater was among the scientists who presented results at a briefing [Tuesday] with reporters. The researchers determined that the Milky Way actually has two fewer major arms than previously believed.
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VIDEO: How Hair Ice Grows
In 2013, American Scientist featured an article on odd ice formations on plant stems, including these curling ribbons of ice. One of the types of ice discussed in the article was hair ice—long, thin strands of ice that grow under quite specific conditions. The only problem is that a new study shows the theory put forth at the time—that gas pressure pushes the water out—isn’t correct... (click the link above to read more).
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