SCIENCE IN THE NEWS DAILY
Three 'Super-Earths' Found Orbiting Sun-Like Star
from National Geographic News
A trio of "super-Earths" have been found near a sun-like star, a team of European astronomers announced [yesterday].
The planets orbiting the star HD 40307—which is 42 light-years away—were found using an advanced "planet searcher" instrument at the European Southern Observatory in La Silla, Chile, the French and Swiss astronomers said. The part of the sky being studied contains 45 potential planets that are smaller than 30 times the mass of Earth, the astronomers said. Most of them orbit HD 40307 quickly—every 50 days or less.
"We are convinced that there are plenty of planets everywhere," said Didier Queloz, a member of the research team from the Observatoire de Genève in Switzerland. The discovery is creating a buzz throughout the astronomy community.
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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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