SCIENCE IN THE NEWS DAILY
At Home in the Universe
from Science News
When Lewis and Clark started exploring the West, they didn't know much about what lay beyond St. Louis. Neither, at first, did astronomers know much about cosmic realms beyond Uranus.
But just as 19th century explorers filled in huge blanks on the American map, so did 20th century skywatchers flesh out a much greater map--of frontiers far beyond the solar system, out across the entire Milky Way. Now, in the last few years, cosmic cartography has again redrawn modern science's picture of the galaxy, from the inside out.
Surprising new findings from this endeavor begin at the Milky Way's heart, where astronomers recently spotted a tendril of gas streaming toward the galaxy's central black hole. Next year, scientists will have a ringside seat for the first time as the matter swings perilously close to its doom.
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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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