SCIENCE IN THE NEWS WEEKLY
Falcon 9 Launch Successful
A private cargo rocket built by Space Exploration Technologies Corp. of Hawthorne, Calif. blasted off last week, headed to the International Space Station. The rocket carried only about 1,000 pounds of cargo. The importance of the launch was more technical and symbolic.
In other space news, stargazers will have a chance on June 5 to glimpse a transit of Venus, in which the planet passes directly between Earth and the sun. Venus will take six hours to march across the star's face, appearing as an inky black dot in silhouette against the solar disk.
The moon nearly blotted out the sun last week, creating a blazing "ring of fire" eclipse visible in many parts of the world.
In 2019, a spacecraft known as Euclid will begin a mission to study dark energy. But it is being launched by the European Space Agency, not NASA, with American astronomers serving only as very junior partners.
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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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