โพสต์เมื่อ 30 มี.ค. 2557 | 02:09 น.
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Galaxy clusters are so huge that their gravity can bend light! Clusters are some of the most massive structures that can be found in the Universe — large groups of galaxies bound together by gravity. This image from the NASA/ESA Hubble Space Telescope reveals one of these clusters, known as MACS J0454.1-0300. Each of the bright spots seen here is a galaxy, and each is home to many millions, or even billions, of stars. Astronomers have determined the mass of these clusters to be around 180 trillion times the mass of the sun. Clusters like this are so massive that their gravity can even change the behavior of space around them, bending the path of light as it travels through them, sometimes amplifying it and acting like a cosmic magnifying glass. Thanks to this effect, it is possible to see objects that are so far away from us that they would otherwise be too faint to be detected. In this case, several objects appear to be dramatically elongated and are seen as sweeping arcs to the left of this image. These are galaxies located at vast distances behind the cluster — their image has been amplified, but also distorted, as their light passes through MACS J0454.1-0300. Credit: ESA/Hubble & NASA, Acknowledgement: Nick Rose #space #nasa #hubble #esa #hst #astronomy # galaxy #universe #science; -
Shadow Portrait of Rover Opportunity on Martian Slope! Our Mars Exploration Rover Opportunity caught its own silhouette in this late-afternoon image taken by the rover's rear hazard avoidance camera. This camera is mounted low on the rover and has a wide-angle lens. The image was taken looking eastward shortly before sunset on the 3,609th Martian day, or sol, of Opportunity's work on Mars (March 20, 2014). The rover's shadow falls across a slope called the McClure-Beverlin Escarpment on the western rim of Endeavour Crater, where Opportunity is investigating rock layers for evidence about ancient environments. The scene includes a glimpse into the distance across the 14-mile-wide (22-kilometer-wide) crater. Image Credit: NASA/JPL-Caltech #rover #mars #opportunity #martian #planets #space #nasa #crater #science; -
Here's a look inside our Super Guppy, a wide-bodied cargo aircraft, that landed at the Redstone Army Airfield near Huntsville, Ala. on March 26 with a special delivery: an innovative composite rocket fuel tank. The tank was manufactured at the Boeing Developmental Center in Tukwila, Wash. The tank was unloaded from the Super Guppy, which has a hinged nose that opens and allows large cargos like the tank to be easily unloaded. After the tank was removed from the Super Guppy, it will be inspected and prepared for testing at NASA’s Marshall Space Flight Center in Huntsville, Ala. Image credit: NASA/MSFC/Emmett Given #nasa #superguppy #msfc #rocketfueltank #fueltank #planes #aviation #aircraft #space; -
Just how big is "Chamber A" at NASA's Johnson Space Center where we'll be testing the James Webb Space Telescope? Well, those aren't tiny people on the right of the door. Chamber A is really big! NASA's "Chamber A" thermal vacuum testing chamber famous for being used during Apollo missions has now been upgraded and remodeled to accommodate testing the Webb Telescope. When the next-generation space telescope was being designed, engineers had to ensure there was a place large enough to test it, considering it's as big as a tennis court. That honor fell upon the famous "Chamber A" in the thermal-vacuum test facility at NASA's Johnson Space Center in Houston, Texas. Chamber A is now the largest high-vacuum, cryogenic-optical test chamber in the world, and made famous for testing the space capsules for NASA's Apollo mission, with and without the mission crew. It is 55 feet (16.8 meters) in diameter by 90 feet (27.4 meters) tall. The door weighs 40 tons and is opened and closed hydraulically. Image credit: NASA #jwst #nasajohnson #nasa #webbtelescope #thermalvac #telescope #testing #testequipment #space; -
Our Super Guppy, a wide-bodied cargo aircraft, landed at the Redstone Army Airfield near Huntsville, Ala. on March 26 with a special delivery: an innovative composite rocket fuel tank. The tank was manufactured at the Boeing Developmental Center in Tukwila, Wash. The tank will be unloaded from the Super Guppy, which has a hinged nose that opens and allows large cargos like the tank to be easily unloaded. After the tank is removed from the Super Guppy, it will be inspected and prepared for testing at Marshall Space Flight Center in Huntsville, Ala. Image credit: NASA/MSFC/Emmett Given #nasa #tank #space #superguppy;
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Our Hubble Space Telescope image captures Mars-bound comet sprouting multiple jets! On Oct. 19, the comet will pass within 84,000 miles of Mars -- less than half the distance between Earth and our moon. The image shows the comet after image processing techniques were applied to remove the hazy glow of the coma revealing what appear to be two jets of dust coming off the location of the nucleus in opposite directions. This observation should allow astronomers to measure the direction of the nucleus’s pole, and axis of rotation. Image Credit: NASA, ESA, and J.-Y. Li (Planetary Science Institute) #hubble #hst #astronomy #nasa #space #mars #comet #science; -
Search for Seeds of Black Holes! The galaxy NGC 4395 is shown here in infrared light, captured by our Spitzer Space Telescope. This dwarf galaxy is relatively small in comparison with our Milky Way galaxy, which is nearly 1,000 times more massive. The galaxy is "bulgeless" because it lacks a large collection of stars at its center. Astronomers using NASA's Wide-field Infrared Survey Explorer, or WISE, have found more evidence that bulgeless galaxies, contrary to previous theories, do harbor supermassive black holes at their center. In this image, an actively feeding supermassive black hole resides in the galaxy's nucleus, as seen by the bright red source. The feeding supermassive black hole dominates the infrared light coming from the galaxy's center. Image credit: NASA/JPL-Caltech #blackholes #nasa #galaxy #spitzer #astronomy #wise #space #science; -
Zipping Past Earth! This image of Earth was taken during the close flyby of our Juno spacecraft on Oct. 9, 2013. It was acquired at 19:12 UT at an altitude of 1,987 miles (3,197 kilometers) - just 10 minutes before Juno's closest approach to our planet. The image is a combination of the JunoCam instrument's red, green and blue spectral filters and approximates natural color. The image is a mosaic of 82 individual frames taken as the spacecraft spun. The phote provides a view of the Argentinean coastline at upper left, with reflections, or specular highlights, off the Rio Negro, north of Golfo San Matias. Clouds cover much of Antarctica at bottom. Image credit: NASA/JPL-Caltech/MSSS #nasa #space #juno #jupiter #spacecraft #earth #science; -
A rainfall-triggered landslide near Oso, Washington sent muddy debris spilling on March 22 across the North Fork of the Stillaguamish River. The slide left an earthen dam that blocked the river, causing a barrier lake to form. The Operational Land Imager (OLI) on the Landsat 8 satellite acquired this image of landslide debris and the barrier lake on March 23, 2014. Image Credit: NASA Earth Observatory image by Jesse Allen, using Landsat data from the U.S. Geological Survey #nasa #landslide #stillaguamish #rain #earth #washington #oso #landsat #satellite #530slide; -
Off into Space! This long exposure photograph shows the flight path of the Soyuz TMA-12M rocket as it launches from the Baikonur Cosmodrome in Kazakhstan yesterday. The rocket carried Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos to the International Space Station. The next trio of crew members destined for the station is now looking forward to a Thursday arrival at the orbiting laboratory after their Soyuz spacecraft was unable to complete its third thruster burn to fine-tune its approach. Flight controllers in the Mission Control Center outside Moscow are now reverting to a backup 34-orbit rendezvous, which would result in an arrival and docking at 7:58 p.m. EDT Thursday, March 27. Photo Credit: (NASA/Bill Ingalls) #nasa #soyuz #rsa #roscosmos #longexposure #spacestation #launch #rocket #space #iss;
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They're now space station bound! A new trio of Expedition 39 crew members has departed for the International Space Station, launching at 5:17 p.m. EDT from the Baikonur Cosmodrome, Kazakhstan. They will arrive less than six hours later for a docking to the Poisk module at 11:04 p.m. Soyuz Commander Alexander Skvortsov and Flight Engineer Oleg Artemyev of the Russian Federal Space Agency (Roscosmos) and Flight Engineer Steve Swanson of NASA are riding inside the Soyuz TMA-12M spacecraft. They will orbit the Earth four times before they rendezvous and approach the orbital laboratory. Photo Credit: (NASA/Joel Kowsky) #soyuz #rsa #roscosmos #spacestation #launch #space #iss #nasa; -
Here's a different perspective of launch. This image was tweeted by astronaut Rick Mastracchio, who is currently aboard the International Space Station. He wrote, "Just saw the Soyuz launch from station. Great view. In 6 hours we will have new crew members." The Soyuz TMA-12M launched from the Baikonur Cosmodrome in Kazakhstan to the station at 5:17 p.m. EDT. Steve Swanson of NASA and Alexander Skvortsov and Oleg Artemyev of the Russian Federal Space Agency (Roscosmos) now are safely in orbit. Swanson, Skvortsov and Artemyev will dock with the station's Poisk module at 11:05 p.m. Image Credit: NASA #nasa #soyuz #rsa #roscosmos #space #spacestation #launch #iss; -
Moving on up! Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, bottom, Flight Engineer Steve Swanson of NASA, middle, and Flight Engineer Oleg Artemyev of Roscosmos, wave farewell prior to boarding the Soyuz TMA-12M rocket for launch at the Baikonur Cosmodrome in Kazakhstan. New Flight Engineers Alexander Skvortsov, Steve Swanson and Oleg Artemyev will launch at 5:17 p.m. EDT for a six-hour ride to the orbital laboratory. Photo Credit: (NASA/Joel Kowsky) #nasa #soyuz #rsa #roscosmos #astronauts #launch #rocket #space #iss; -
It's launch day! The gantry arms begin to close around the Soyuz TMA-12M spacecraft to secure the rocket at the launch pad on Sunday, March 23, 2014, at the Baikonur Cosmodrome in Kazakhstan. Launch of the Soyuz rocket is scheduled for 5:17 p.m. EDT, March 25, and will send Expedition 39 Soyuz Commander Alexander Skvortsov of the Russian Federal Space Agency, Roscosmos, Flight Engineer Steven Swanson of NASA, and Flight Engineer Oleg Artemyev of Roscosmos on a six-month mission aboard the International Space Station. Image Credit: NASA/Joel Kowsky #nasa #launch #rsa #soyuz #astronauts #space #exp39 #iss; -
Variations in the stuff that cements grains together in sandstone have shaped the landscape surrounding NASA's Curiosity Mars rover and could be a study topic at the mission's next science waypoint. On a journey with many months yet to go toward prime destinations on the lower slope of Mount Sharp, Curiosity is approaching a site called "the Kimberley." Scientists on the team picked this location last year as a likely place to pause for investigation. Its informal name comes from a northwestern Australia region known as the Kimberley. The Martian site's geological appeal, based on images taken from orbit, is that four types of terrain with different rock textures intersect there This Martian scene was recorded by the Mast Camera on NASA's Curiosity Mars rover on Feb. 25, 2014, about one-quarter mile (about 400 meters) from a planned waypoint called "the Kimberley." Image Credit: NASA/JPL-Caltech/MSSS #nasa #msl #mars #marscuriosity #rover #space #planets #science;
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