โพสต์เมื่อ 28 พ.ค. 2557 | 20:26 น.
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Sunsets on Titan Reveal the Complexity of Hazy Exoplanets - Using data collected by Cassini’s Visual and Infrared Mapping Spectrometer, or VIMS, while observing Titan’s sunsets, researchers created simulated spectra of Titan as if it were a planet transiting across the face of a distant star. The research helps scientists to better understand observations of exoplanets with hazy atmospheres. This image is an artist’s rendering of our Cassini spacecraft observing a sunset through Titan’s hazy atmosphere. Image credit: NASA/JPL-Caltech #nasa #titan #sunset #exoplanets #cassini #space #science; -
Airborne Research Focuses on Andean Volcanoes - Volcanoes in Central and South America were the primary focus of a four-week Earth science study in late April and early May 2014 using a NASA-developed airborne synthetic aperture imaging radar. The synthetic aperture radar developed by the Jet Propulsion Laboratory mounted on NASA's C-20A research aircraft captured this image of Peru's Ubinas volcano on April 14, 2014, during its Latin American research mission. The false colors represent different polarizations in the image. Image Credit: NASA JPL UAVSAR / Ron Muellerschoen #nasa #volcano #peru #ubinas #earth #earthrightnow; -
Rolling toward lift off! The Soyuz TMA-13M spacecraft is rolled out to its launch pad by train on Monday at the Baikonur Cosmodrome in Kazakhstan. On Wednesday, a new trio of crew members will lift off to join the three orbiting residents of the station. Soyuz Commander and cosmonaut Maxim Suraev, NASA astronaut Reid Wiseman and ESA astronaut Alexander Gerst will launch aboard the Soyuz TMA-13M spacecraft at 3:57 p.m. EDT (1:57 a.m. May 29 Baikonur time) from the Baikonur Cosmodrome. Image Credit: NASA/Joel Kowsky #nasa #roscosmos #kazakhstan #iss #space #spacestation #launch #soyuz; -
All-American Salute - Astronaut John W. Young, commander of the Apollo 16 lunar landing mission, leaps from the lunar surface as he salutes the United States flag at the Descartes landing site during the first Apollo 16 extravehicular activity. Astronaut Charles M. Duke Jr., lunar module pilot, took this picture. The Lunar Module "Orion" is on the left. The Lunar Roving Vehicle is parked beside Orion and the object behind Young (in the shadow of the Lunar Module) is the Far Ultraviolet Camera/Spectrograph. Stone Mountain dominates the background of this lunar scene. Today, we honor the Americans who have served in the military. #MemorialDay #nasa Image Credit: NASA; -
Coyote Head Nebula Does Not Approve - When searching for the nicest nebulas in the sky it's nice when your friends help you out. This striking star formation region, mapped in infrared light by our Spitzer Space Telescope, was recently spotted by one of Spitzer's Twitter followers searching through the GLIMPSE360 panorama of our Milky Way galaxy. One of multitudes of star-forming nebulas scattered across the sky, this area had been a bit of a "dirty" secret, tucked away behind a veil of dust that blocks our view in visible light. That obscuring veil fades away under Spitzer's infrared gaze revealing a collection of young stars bursting out of the dusty gas clouds in which they formed. Astronomers identify this area only by a collection of catalog numbers like IRAS 15541-5349. This image is a tiny snippet of the vast 20 gigapixel GLIMPSE360 panorama released in March 2014. Visitors were encouraged to use the web viewers on the Spitzer site to search through the data and then share and name their findings on Twitter. This region was tweeted by kevinmgill, who tagged it "Nebula Does Not Approve." Image Credit: NASA #nasa #space #astronomy #spitzer #science #nebula;
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Rocket to Study Birthplace of Stars - In deep space, floating between the stars, lies an abundance of atoms -- carbon, oxygen, hydrogen -- that over millions of years will grow into new stars and new planets. Our Black Brant IX sounding rocket will carry a payload for a 15–minute flight to observe this star nursery more comprehensively and in better detail than has been done by a single instrument ever before. This image is of the Colorado High-resolution Echelle Stellar Spectrograph, or CHESS, sounding rocket getting ready for a six-minute flight to observe far beyond our solar system -- to peer at a place where new stars are born. Image Credit: NASA/WSMR #nasa #whitesands #space #stars #science; -
Hubble Sees Flickering Light Display on Saturn - Astronomers using the Hubble Space Telescope have captured new images of the dancing auroral lights at Saturn’s north pole. Taken from Hubble’s perspective in orbit around the Earth, these images provide a detailed look at Saturn’s stormy aurorae — revealing previously unseen dynamics in the choreography of the auroral glow. The cause of the changing patterns in Saturn's aurorae is an ongoing mystery in planetary science. These ultraviolet images, taken by Hubble’s super-sensitive Advanced Camera for Surveys, add new insight by capturing moments when Saturn’s magnetic field is affected by bursts of particles streaming out from the sun. Image Credit: European Space Agency #astronomy #hubble #hst #nasa #space #saturn #science; -
Expedition 40 Commander Steve Swanson posted this photograph -- taken from the International Space Station -- May 23 to Instagram (@ISS). Swanson noted, “Western Sahara – the contrast between the sand and the water is spectacular from here.” Swanson uploaded the first image from space to Instagram on April 7. The three Expedition 40 crew members aboard the station worked advanced science this week while awaiting a new trio, set to lift off on Wednesday, May 28. Image Credit: NASA #nasa #exp40 #astronauts #iss #spacestation #swanny; -
Dense, Dusty Cores Up Close! Astronomers have found cosmic clumps so dark, dense and dusty that they throw the deepest shadows ever recorded. The clumps, shown here in a zoom-in detail, were discovered within a huge cosmic cloud of gas and dust. Infrared observations from our Spitzer Space Telescope of these blackest-of-black regions in the cloud paradoxically light the way to understanding how the brightest stars form. A new study takes advantage of the shadows cast by these dark clumps to measure the cloud's overall structure and mass. These dense, clumpy pockets of star-forming material within the cloud are so thick with dust that they scatter and block not only visible light, but almost all background infrared light as well. The dusty cloud, the results suggest, will likely evolve into one of the most massive young clusters of stars in our galaxy. Image Credit: NASA #astronomy #space #spitzer #telescope #science #galaxy #nasa; -
We Poked a Hole in Black Hole 'Doughnut' Theory - Active, supermassive black holes at the hearts of galaxies tend to fall into two categories: those that are hidden by dust, and those that are exposed. Data from our Wide-field Infrared Survey Explorer, or WISE, have shown that galaxies with hidden supermassive black holes tend to clump together in space more than the galaxies with exposed, or unobscured, black holes. This image shows galaxies clumped together in the Fornax cluster, located 60 million light-years from Earth. The picture was taken by WISE, but has been artistically enhanced to illustrate the idea that clumped galaxies will, on average, be surrounded by larger halos of dark matter (represented in purple). Because dark matter, like normal matter, has gravity, it will pull galaxies toward it, causing them to clump. Image credit: NASA/JPL-Caltech #galaxy #nasa #space #astronomy #nasawise #blackhole #science;
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On Earth Day this year, NASA asked people all around the world a simple question - "Where are you on Earth Right Now?"We asked people to answer the question on social media, with a selfie. The goal was to use each picture as a pixel in the creation of a "Global Selfie" - a mosaic image that would look like Earth appeared from space on Earth Day. The mosaic was made with 36,422 individual images that were posted to social media sites on or around Earth Day, April 22, 2014. To see & zoon into the mosaic, visit: http://www.nasa.gov #earth #earthrightnow #globalselfie #nasa #space; -
Before the Drop: Engineers ready the saucer-shaped Supersonic Decelerator designed to test interplanetary landing devices. The vehicle hangs on a tower in preparation for launch at U.S. Navy's Pacific Missile Range Facility in Kauai, Hawaii. The saucer, which is part of our Low-Density Supersonic Decelerator (LDSD) project, will test two devices for landing heavy payloads on Mars, an inflatable tube and an enormous parachute. Our first potential launch date of the high-altitude balloon carrying the LDSD experiment is June 3. This image was taken during the vehicle's Integrated System Test, an operations rehearsal that engaged all of the teams and systems required for launch and flight, and ran through all of the preparation activities before launch, the launch itself, ascent, powered drop and flight. Image Credit: NASA/Gazarik #path2mars #321techoff #nasatech #nasa #mars #ldsd; -
A laboratory in space! On Feb. 10, 2001, the crews of the Space Shuttle Atlantis and the International Space Station successfully installed the U.S. Destiny Laboratory onto the station. In this photo, Destiny is moved by the shuttle's robot arm from its stowage position in the cargo bay of Atlantis. The lab added 3,800 cubic feet of volume to the station, increasing the onboard living space by 41 percent. The 2005 NASA Authorization Act designated the U.S segment of the space station as a national laboratory. As the nation's only national laboratory on-orbit, the space station National Lab will improve life on Earth, foster relationships among NASA, other federal entities, and the private sector, and advance science, technology, engineering and mathematics (STEM) education through utilization of the space station's unique capabilities as a permanent microgravity platform with exposure to the space environment. Image Credit: NASA #nasa #iss #astronauts #spacestation #space #research #science #stem #tbt #throwbackthursday; -
Dark Clouds on the Milky Way's Horizon - Astronomers have found cosmic clumps so dark, dense and dusty that they throw the deepest shadows ever recorded. The clumps were discovered within a huge cosmic cloud of gas and dust. Infrared observations from NASA's Spitzer Space Telescope of these blackest-of-black regions in the cloud paradoxically light the way to understanding how the brightest stars form. The large cloud looms in the very center of this image of the galactic plane from Spitzer. A new study takes advantage of the shadows cast by the cloud's darkest clumps to measure the cloud's overall structure and mass. The dusty cloud, the results suggest, will likely evolve into one of the most massive young clusters of stars in our galaxy. Image Credit: NASA #nasa #space #astronomy #spitzer #science #galaxy; -
Get ready to launch! Three new Expedition 40/41 crew members are counting down to their May 28 launch to the orbital laboratory. Soyuz Commander and cosmonaut Maxim Suraev, NASA astronaut Reid Wiseman and European astronaut Alexander Gerst will launch aboard the Soyuz TMA-13M spacecraft at 3:57 p.m. EDT from the Baikonur Cosmodrome. They are scheduled to dock after just four orbits at 9:48 p.m. returning the space station to its full complement of six crew members. Pictured here, Wiseman gives the thumbs up during launch preparations on May 19 in Kazakhstan. Image Credit: NASA #nasa #iss #spacestation #space #science #astronauts #soyuz #exp40;
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