NGC 2359: Thor’s Helmet
This helmet-shaped cosmic cloud with wing-like appendages is popularly called Thor’s Helmet. Heroically sized even for a Norse god, Thor’s Helmet is about 30 light-years across. In fact, the helmet is more like an interstellar bubble, blown as a fast wind from the bright, massive star near the bubble’s center sweeps through a surrounding molecular cloud. Known as a Wolf-Rayet star, the central star is an extremely hot giant thought to be in a brief, pre-supernova stage of evolution. Cataloged as NGC 2359, the nebula is located about 15,000 light-years away in the constellation Canis Major. The sharp image, made using broadband and narrowband filters, captures striking details of the nebula’s filamentary structures. It shows off a blue-green color from strong emission due to oxygen atoms in the glowing gas.
Image credit & copyright: Bob and Janice Fera (Fera Photography)
A Valuable Reputation
"[Scientist Tyrone] Hayes has devoted the past fifteen years to studying atrazine, a widely used herbicide made by Syngenta. The company’s notes reveal that it struggled to make sense of him, and plotted ways to discredit him."
Read more at the newyorker: http://goo.gl/CGQtLJ
Mason Wilde has always had a passion for figuring out how things work. But what the 16-year-old Louisburg High School junior made about two months ago changed the life of a family friend’s 9-year-old son who was born without fingers on one hand. Using a 3-D printer at the Johnson County Library, Wilde made a prosthetic hand that opens and closes and can even hold a pencil. “He’s awesome,” said Matthew, thrusting his mechanical hand high above his head.
This is what happens when smart, motivated people have access to community resources. This is what happens in a library.