Cristiane Stubna

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APOD: The Eskimo Nebula from Hubble and Chandra (2013 Jul 30) Image Credit: X-ray: NASA/CXC/IAA-CSIC/N. Ruiz et al.; Optical: NASA/STScI http://apod.nasa.gov/apod/ap130730.html Explanation: In 1787, astronomer William Herschel discovered the Eskimo Nebula. From the ground, NGC 2392 resembles a person's head surrounded by a parka hood. In 2000, the Hubble Space Telescope imaged the Eskimo Nebula in visible light, while the nebula was imaged in X-rays by the Chandra X-ray Observatory in 2007. The above combined visible-X ray image, with X-rays emitted by central hot gas and shown in pink, was released last week. From space, the nebula displays gas clouds so complex they are not fully understood. The Eskimo Nebula is clearly a planetary nebula, and the gas seen above composed the outer layers of a Sun-like star only 10,000 years ago. The inner filaments visible above are being ejected by strong wind of particles from the central star. The outer disk contains unusual light-year long orange filaments. The Eskimo Nebula spans about 1/3 of a light year and lies in our Milky Way Galaxy, about 3,000 light years distant, toward the constellation of the Twins (Gemini). http://chandra.harvard.edu/photo/2013/ngc2392/ Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=130730 #APOD

Top Surfers Name the World’s Most Dangerous Waves, Plus Surf Spots for the Rest of Us

<b>See surfing photos submitted to us by adventurers like you >></b><p>For all of human history, waves have been a byword for “danger.” They drown swimmers, sink ships, and swamp entire towns with an inexorability and indifference that mocks the frailty of man in the intermittent roar and murmur of moving …

The Trippiest Time Lapse Video We've Ever Seen

The night sky + weird dragon sculptures = total mind screw<p>Just in case the cosmos are not fantastic enough for you: This new video shows time lapses of the night sky over enormous metal dragons, dinosaurs and other creatures in Galleta Meadows in the desert town of Borrego Springs, California.<p>The …

Mysterious Dancing Lights In Afghanistan

This isn't a painting. It's not from a movie. It's not a strange astronomical event. This is real — what you can see when certain helicopters in Afghanistan touch down on sandy ground, raising dust, causing mysterious arcs of light to loop and dance through the air.<p>This doesn't always happen. "The …

Mini-apartments are the next big thing in U.S. cities

Could you live in a single-car garage? That's about the size of tiny apartments popping up in major U.S. cities where many residents live alone. Inhabitants say the key is keeping only stuff you use.<p>NEW YORK — When Gil Blattner hired a housekeeper for his elegant apartment with 12-foot ceilings, …

Google To Supply Free Wi-Fi Hotspots For All 7,000 U.S. Starbucks Locations

Google has just announced via a blog post that it will be offering free, faster Wi-Fi hotspots at all U.S. company-operated Starbucks locations, which will get up and running sometime within the next 18 months. Google says that its speeds should beat the existing hotspots at the coffee shops by at …