Assorted human interest posts.
March 9, 2014
Science Aliens, amazon, An Idiot Abroad, animals, Behind the Scenes, biology, business, Business News, Comic-Con, Debbie Myers, Firefly, Futurescape, Health, Holidays, Hotels, How It's Made, human-rights, Impress Your Friends, Is This a Good Idea?, Joss Whedon, Kari Byron, Karl Pilkington, Mars, Mars Landing 2012, medicine, mental-health, MythBusters, NASA, nature, Nick Sagan, Oddities, Outrageous Acts of Science, Punkin Chunkin, research, Ricky Gervais, robots, Sci Fi, SCI2, Science, Science News, SciSpy, Seti, Sex, Show News, Space, STEM, Stephen Hawking, Stephen Merchant, Strip the City, Survivorman, technology, Technology News, The Unexplained Files, Through the Wormhole, Time Travel, travel, vacation, weather, Weird Science 1 Comment
Stephen Hawking may be best known as a physicist, cosmologist and one of the world’s smartest people, but these videos are proof he should add ‘comedian’ to his already robust résumé.
March 6, 2014
Science Alien Life, amazon, business, Business News, Carl Sagan, Cosmos, Cosmos Series, Cosmos: A Personal Voyage, Hayden Planetarium, Hotels, huffingtonpost, human-rights, medicine, mental-health, Neil deGrasse, Neil Degrasse Tyson, Neil Degrasse Tyson Cosmos, Neil Tyson, Neil Tyson Cosmos, Physics, Religion and Science, research, Science, Science News, Scientists, Slideshow, Smarter Ideas, Space, technology, Technology News, travel, Tyson, vacation 1 Comment
Things are looking up for Neil deGrasse Tyson–way up. As the director of the Hayden Planetarium and the author of several popular books on space, Tyson is already one of the nation’s best-known scientists. And now his already-high profile is set for a big boost with the March 9 launch of “Cosmos: A Space-Time Odyssey,” a new documentary television series that he hosts.
Tyson calls the 13-part series a continuation of “Cosmos: A Personal Voyage,” a 1980 PBS series narrated by Carl Sagan that is acclaimed as one of the most significant science-themed programs in television history.
In anticipation of the new series’ debut, Tyson, 55, sat down with HuffPost Science for a wide-ranging and surprisingly frank interview. What follows is a condensed and edited version of the discussion, which took place in the astrophysicist’s New York City office
February 22, 2014
Science amazon, Astronomy, Astrophysics, Black Hole, Black Hole Star, Black Hole Swallows Star, black holes, business, Business News, computer simulations, Hotels, huffingtonpost, human-rights, medicine, mental-health, research, Science, Science News, Slideshow, Space, Star Black Hole, Star Disruption, Star Falls Into Black Hole, Stars, supermassive black hole, technology, Technology News, Tidal Disruption Event, travel, vacation, Video 2 Comments
When a black hole swallows a star, things get violent. Very violent.
At least, that’s what scientists found in a new study when they used computer simulations to mimic the destruction of a star as it falls into a giant black hole. Just check it out in the video.
The simulations show that when the gravitational force of a supermassive black hole pulls in a star, the star is stretched into a long blob before it’s destroyed. About half of the star’s mass may get ejected as a stream of debris and the other half eventually may spiral into the black hole, forming what’s called an “accretion disk.”
January 8, 2014
Science Abell 2744, Abell 2744 Galaxies, amazon, American Astronomical Society, Ancient Galaxies, business, Business News, Distant Galaxies, Faraway Galaxies, Galaxies, Hotels, Hubble Galaxies, Hubble Space Telescope, huffingtonpost, human-rights, Jennifer Lotz, medicine, mental-health, NASA, research, Science, Science News, Slideshow, Space, space photos, Space Program, Spaceflight, technology, Technology News, travel, vacation, Youngest Galaxies 2 Comments
The Hubble Space Telescope has peered back to a chaotic time 13. 2 billion years ago when never-before-seen galaxies were tiny, bright blue and full of stars bursting to life all over the place.
Thanks to some complex physics tricks, NASA’s aging telescope is just starting to see the universe at its infancy in living color and detail.
Images released by NASA on Tuesday show galaxies that are 20 times fainter than those pictured before. They are from a new campaign to have the 23-year-old Hubble gaze much earlier and farther away than it was designed to see.
“I like to call it cosmic dawn,” Hubble astronomer Jennifer Lotz said at the American Astronomical Society convention in Washington. “It’s when the lights are coming on.”
January 2, 2014
Science alien planet, Alien Planets, Alien Planets 2013, Alien Worlds, amazon, Astronomers, Astronomy, business, Business News, Earth's moon, Exoplanet, Exoplanets, Habitable Exoplanets, Hotels, huffingtonpost, human-rights, Kepler, Kepler Mission, Kepler Planets, Kepler-37b, medicine, mental-health, NASA, Planets, research, Science, Science News, Search for E.T., Slideshow, Space, technology, Technology News, travel, vacation 1 Comment
While astronomers didn’t bag that elusive first “alien Earth” in 2013, they made plenty of exciting exoplanet discoveries during the past year.
Here’s a list of the top exoplanet finds of 2013, from a tiny world about the size of Earth’s moon to a blue gas giant on which it rains molten glass:
The smallest exoplanet
In February, astronomers announced the discovery of Kepler-37b, the smallest alien world ever found around a sun-like star. The planet is about 2,400 miles (3,900 kilometers) wide, making it just slightly larger than Earth’s moon.
December 15, 2013
Science amazon, ambitious space, business, Business News, Chang'e-3 Lunar Probe, Change-3 Moon Mission, China, China Lands Rover, China Lunar Rover, China Moon Landing, China Probe, China Rover, China Space, Chinese Rover, Chinese Space Program, Hotels, huffingtonpost, human-rights, Lunar Rover, medicine, mental-health, Moon Landing, Moon Mission, research, Science, Science News, Slideshow, soft landing, Space, space probe, Space Program, technology, Technology News, travel, vacation, Video Leave a comment
China on Saturday successfully carried out the world’s first soft landing of a space probe on the moon in nearly four decades, state media said, the next stage in an ambitious space program that aims to eventually put a Chinese astronaut on the moon.
The unmanned Chang’e 3 lander, named after a mythical Chinese goddess of the moon, touched down on Earth’s nearest neighbor following a 12-minute landing process.
The probe carried a six-wheeled moon rover called “Yutu,” or “Jade Rabbit,” the goddess’ pet. After landing Saturday evening on a fairly flat, Earth-facing part of the moon, the rover was slated to separate from the Chang’e eight hours later and embark on a three-month scientific exploration.
China’s space program is an enormous source of pride for the country, the third to carry out a lunar soft landing — which does not damage the craft and the equipment it carries — after the United States and the former Soviet Union. The last one was by the Soviet Union in 1976.
November 16, 2013
Science Aliens, amazon, Animals On Mars, business, Business News, Curiosity, Curiosity Rover, Health, Hotels, huffingtonpost, human-rights, Iguana Mars, Life On Mars, Lizard Mars, Mars, Mars Animals, Mars Iguana, Mars Iguana Photo, Mars Lizard, medicine, mental-health, NASA, research, Science, Science News, Scott C. Waring, Slideshow, Smarter Ideas, Space, technology, Technology News, travel, UFO enthusiasts, UFO Sightings, vacation, Video 4 Comments
Another day, another “creature” on Mars.
Eagle-eyed UFO enthusiasts recently announced they’ve spotted yet another “animal” on the red planet. On Nov. 6, the UFO Sightings Daily blog declared that NASA’s Curiosity rover had taken what appears to be a photograph of a Martian iguana
“To say it’s just a rock would be very closed minded to the evidence at hand,” Scott C. Waring, the blog’s founder, noted of the curious image taken in January. “[N]ot only does it have a body, but look closely and you will see its lower neck skin, its mouth line, nostril hole and even an open eye with a large brow over it.”
November 10, 2013
Science Alien Planets, amazon, Astronomy, business, Business News, Earth, Earth Sized Planets, Earth Sized Planets Common, Earthlike Planets, Erik Petigura, Exoplanets, habitable planet, Habitable Planets, Habitable Planets Common, Health, Hotels, huffingtonpost, human-rights, Kepler, Kepler Space Telescope, Kepler spacecraft, Kepler Telescope, medicine, mental-health, NASA, planet, Planets, Planets Like Earth, research, Science, Science News, Slideshow, Space, Space Program, technology, Technology News, travel, vacation, Video 3 Comments
Habitable alien planets similar to Earth may not be that rare in the universe, a new study suggests.
About one in five sunlike stars observed by NASA’s planet-hunting Kepler spacecraft has an Earth-size planet in the so-called habitable zone, where liquid water — and, potentially life — could exist, according to the new study. If these results apply elsewhere in the galaxy, the nearest such planet could be just 12 light-years away.
“Human beings have been looking at the stars for thousands of years,” said study researcher Erik Petigura, a graduate student at the University of California, Berkeley (UC Berkeley). “How many of those stars have planets that are in some way like Earth? We’re very excited today to start to answer that question,” Petigura told SPACE.com. [9 Exoplanets That Could Host Alien Life]
October 30, 2013
Science amazon, business, Business News, current-events, Esa Mars Express, European Space Agency, Fly Over Mars, German Aerospace Center, Health, Hotels, huffingtonpost, human-rights, Mars, Mars Express, Mars Flyover, Mars Photos, Mars Topography, medicine, mental-health, research, Science, Science News, Solar System, Space, Space Program, Spaceflight, Stephan Elgner, technology, Technology News, the Red Planet, travel, vacation, Video 1 Comment
A new video lets viewers experience the sensation of flying over the Martian surface based on actual topographical data taken by a European satellite orbiting the red planet.
The mountains, craters, ancient river beds and lava flows that mark the Martian landscape are visible in images from a stereographic camera aboard ESA’s Mars Express probe.
The German Aerospace Center (DLR) released the video as part of celebrations commemorating ten years since Mars Express launched in June 2003, and the DLR’s Stephan Elgner, a member of the mission’s planetary cartography team, wrote the original soundtrack.
Mars Express has so far orbited the planet nearly 12,500 times, building up an almost planet-wide digital topographical model.
October 6, 2013
Science Albert Einstein, amazon, Astronomy, business, Business News, current-events, Curved Space-Time, Environment, Future, Gravitational Lensing, gravity, Hotels, huffingtonpost, Hui Liu, light rays, Mathematics, Microchips, path of light, Physics, research, Science, Science News, Slideshow, solar eclipse, Space, Space Time, Space-Time On Chip, Spacetime, technology, Technology News, theory of relativity, travel, vacation 2 Comments
It took two major expeditions charting the solar eclipse of 1919 to verify Albert Einstein’s weird prediction about gravity — that it distorts the path of light waves around stars and other astronomical bodies, distorting objects in the background. Now, researchers have created the first precise analogue of that effect on a microchip.
Any large mass distorts the geometry of space around it, for instance making parallel light rays diverge or converge. One consequence, described by Einstein’s general theory of relativity, is that objects behind a body such as the Sun may look magnified or distorted as the optical path of light goes through the region of warped space.
Metamaterials scientist Hui Liu of Nanjing University in China and his colleagues mimicked this ‘gravitational lensing’ — which affects light in the vacuum of space — by making light travel through solid materials instead. Different transparent media have different indexes of refraction, causing light to bend. One example is at the interface between water and air, a familiar effect that makes a pencil look broken when it is half-dipped in water. But if a medium has an index of refraction that varies gradually rather than abruptly, it will make the the paths of light rays curve as they travel through it.
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