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3-D model lets you "fly through" a 300-year-old supernova
inShare0 The billowing radiance of the northern and southern lights is among the most beautiful sights known to humanity – and that's when seen from the ground. Imagine watching the lights from low-Earth orbit.Through the International Space Station's windows, 200 miles above Earth's surface, the auroras borealis and australis dance across continents. They're a regular treat for ISS astronauts who circuit the planet every few hours, passing frequently over Earth's polar regions, where the auroras are strongest. Mesmerizing Videos of Northern and Southern Lights Seen From Space | Wired Science Mesmerizing Videos of Northern and Southern Lights Seen From Space | Wired Science
Sandrine Ceurstemont, editor, New Scientist TV Auroras aren't the only light show shining above the Earth. The atmosphere itself can also produce light, creating rings of colour that glow in the dark. Now neuroscientist and moviemaker Alex Rivest has produced a new video that illustrates the phenomenon, called airglow. Atoms and molecules, excited by ultraviolet radiation from the sun, emit light when they return to their ground state or when they combine due to chemical reactions to create new molecules. During the day, scattered light from the sun masks this activity, so it only becomes visible after dark. New Scientist TV: Earth's atmosphere creates glow-in-the-dark light show New Scientist TV: Earth's atmosphere creates glow-in-the-dark light show
Whoa, NASA captures a nova exploding on video
“This visualization shows ocean surface currents around the world during the period from June 2005 through December 2007. The visualization does not include a narration or annotations; the goal was to use ocean flow data to create a simple, visceral experience…read more on nasa.gov” Know what’s a bummer? Military spending is on the rise while NASA funding has been on a steady decline since 1992. A big thanks is due to Erica for sending this in to remind us that they’re still doing great things and our boy Neil for some much needed perspective. Perpetual Ocean Perpetual Ocean
The green fire of the aurora, seen from space : Bad Astronomy
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Neil deGrasse Tyson Supercut Demands We Dream of Space Again I have a tremendous amount of respect for Dr. Tyson, but his reasoning in these clips wouldn't pass a high school course in critical thinking. The idea that dreams and innovation died with the decline of the space program is laughable and it is a lie. In the 43 years since Apollo 11 we've decoded the human genome. We've created the greatest communication platform in the history of man and that has led to the liberation of hundreds of millions of people. We've taken the microprocessor from its infancy as a support player during the space program and revolutionized the entire world. Neil deGrasse Tyson Supercut Demands We Dream of Space Again
Q&BA: The Science of Science Fiction
If this video doesn't make your heart swell, there's a decent chance you don't have a heart It's ironic to start a video saying that I shouldn't be pessimistic about the prospect of nuclear war and then following it with footage of Ronald Reagan. It's bizarre to try to inspire me with quotes from notable scientists and then showing me a quote from a man who continually cut funding from education. It's ridiculous to show me a bunch of hype about individuals pushing humanity forward and then touting the accomplishments of corporations. Why is Reagan in this video? Maybe I'm supposed to think the corporate profits made by Honda, Amazon, and Google will "trickle down" to me and improve my quality of life. Or maybe I don't want to remember an era of crushing poverty, cutbacks in schools, "ketchup as a vegetable," continual war, and the recurring fear of global thermonuclear obliteration. If this video doesn't make your heart swell, there's a decent chance you don't have a heart
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Apollo 13 Emergency Radio Transmission — History.com Audio Apollo 13 Emergency Radio Transmission Apollo 13 Emergency Radio TransmissionAudio Clip (0:13)On April 13, 1970, James Lovell, Jr., John Swigert, Jr., and Fred Haise, Jr., were en route to the Moon aboard Apollo 13 when disaster struck 200,000 miles from earth. Audio Clip (0:13) Reagan on the Challenger Disaster Reagan on the Challenger DisasterAudio Clip (0:43)On January 28, 1986, instead of delivering his scheduled State of the Union Address, President Ronald Reagan speaks to the American people about the space shuttle disaster that killed seven astronauts. Audio Clip (0:43) George W. Bush on the Space Shuttle Columbia Disaster George W. Apollo 13 Emergency Radio Transmission — History.com Audio
If you were an astronaut, this could be the view each day from your office window. You can thank astronaut Ron Garan for stitching together this breathtaking seven-minute time-lapse sequence, which sums up his 6-month stay aboard the International Space Station. Garan, who writes a blog called Fragile Oasis and has taken hundreds of photos from space, returned home from the ISS on Sept. 16. The space station travels at roughly 17,500 mph, orbiting our planet once every 90 minutes, so there’s plenty to see in the video. Incredible Time-Lapse Video Gives an Astronaut’s View of Earth | Wired Science Incredible Time-Lapse Video Gives an Astronaut’s View of Earth | Wired Science
Scientists have generated the largest and most realistic simulations of the evolving universe to date with the aid of NASA's powerful supercomputer, dubbed Pleiades. By running the "Bolshoi" simulation code on Pleiades, researchers hope to explain how galaxies and other very large structures in the universe have changed since the Big Bang 13.7 billion years ago. [Video of the Bolshoi universe simulation] The Bolshoi code took 18 days and millions of hours of computer time split up among more than 160,000 processors to finish running on Pleiades, which is the seventh most powerful supercomputer in the world. "The Bolshoi simulation is an excellent example of work done in support of NASA's science goal to understand how stars, galaxies and planets are formed, in order to get a picture of how the universe has changed over billions of years," said William Thigpen, systems and engineering branch chief in the NASA Advanced Supercomputing (NAS) Division at NASA's Ames Research Center. NASA Supercomputer Simulates Early Evolution of Universe | NASA Supercomputers & Universe Structure, History & Evolution | Big Bang, Dark Matter & Astronomy NASA Supercomputer Simulates Early Evolution of Universe | NASA Supercomputers & Universe Structure, History & Evolution | Big Bang, Dark Matter & Astronomy
Astronaut Video Shows Spectacular Auroras From Space | International Space Station | Northern Lights, Southern Lights & Auroras Astronaut Video Shows Spectacular Auroras From Space | International Space Station | Northern Lights, Southern Lights & Auroras Stunning NASA videos are giving an astronaut's-eye view of spectacular aurora displays in the Southern Hemisphere. One video stitches together photos taken by astronauts aboard the International Space Station on Sept. 17, as the orbiting lab cruised over the Indian Ocean near Australia and Madagascar. It shows the aururoa australis, also known as the southern lights — the counterpart to the northern lights. In the video, part of the space station is visible at the top of the frame, including the station's solar panels, which can be seen at the top right.
Video Show: A Blueprint of the Universe | Big Bang, Universe Creation & Evolution | History & Future of the Cosmos The universe is a big place, near-infintely big, but there's a structure to our cosmos that astronomers are hard at work unraveling. Take a tour of some of the out-of-this-world structures that make our universe tick in this video show, "A Blueprint for the Universe," the first stop in SPACE.com's eight-weekday series to look at our universe's mysteries entitiled: The History & Future of the Cosmos. Episode 1: The Way of Things Episode 2: The Dark Force Episode 3: Yesterday's News Episode 4: Edge of the Known Video Show: A Blueprint of the Universe | Big Bang, Universe Creation & Evolution | History & Future of the Cosmos
Over Earth: Day & Night from ISS
The spectacular pink and red core of a lively nebula takes center stage in a new photo that exposes the stellar nursery's eye-catching clouds of gas, dust and newborn stars. The European Southern Observatory's Very Large Telescope (VLT), at the Paranal Observatory in Chile, captured the new image of the Omega Nebula. The portrait is one of the sharpest ever taken of this object from a ground-based observatory, according to ESO officials. This stellar breeding ground lies approximately 6,500 light-years away from Earth, in the direction of the constellation of Sagittarius (The Archer). The Omega nebula is a popular target of study for astronomers because it is one of the youngest and most active stellar nurseries for massive stars in the Milky Way galaxy. The nebula has several different monikers, including the Swan Nebula, the Horseshoe Nebula and the Lobster Nebula. Smoky Nebula's Bright Pink Heart Shines in New Photo | Omega Nebula & Star Formation | ESO Images & Very Large Telescope
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New Scientist TV: Time-lapse Tuesday: Milky Way forms in fine detail Sandrine Ceurstemont, video producer This epic time-lapse shows the Milky Way forming and evolving over 13.7 billion years (see video above). Developed by a team led by Piero Madau from the University of California in Santa Cruz and Javiera Guedes from the Institute of Theoretical Physics in Zurich, it's the most detailed simulation of a galaxy's evolution yet made. Unlike previous attempts, the massive galaxy that appears closely resembles the Milky Way - with its central strip of bright stars surrounded by spiral arms swirling in a flat disc. The movie is based on a physics simulation of a single galaxy where powerful supercomputers were used to crunch numbers for nine months. "The simulation follows the interaction of more than 60 million particles of dark matter and gas," says Madau.
New Scientist TV: Born to be Viral: How to walk on Mars MacGregor Campbell, consultant When the first people set foot on Mars, what will be the most efficient gait for them to use? To find out, Australian artist Adam Norton is strapping people into his Martian gravity simulator and getting them to perform laps (see video above). The design is based on NASA lunar gravity simulators used before the Apollo moon landings to investigate how astronauts should safely move around in low gravity.
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And now, Apollo 17 astronauts singing. On the Moon.
[Vídeo] Una gran bola de fuego bajo en el cielo peruano
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