Hubble chases a small stellar galaxy in the Hunting Dog
NASA's Hubble Space Telescope observes the small stellar galaxy NGC 4707, a loose spiral with undefined shape and central bulge, located 22 million light-years from Earth.
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A new light on stellar death
A team of astronomers discovered that a massive flare in a distant galaxy was actually a tidal disruption event caused by a rapidly spinning supermassive black hole. The finding marks the first time a TDE has been used to study black hole spin, providing new insights into stellar death.
A&A special issue: GREGOR first results
The GREGOR solar telescope has demonstrated its potential with high precision measurements of magnetic fields and material motion. High spatial resolution imaging data have also provided unprecedented details of the Sun's photosphere, revealing features smaller than 100 km in sunspot light bridges.
NASA completes Webb Telescope Center of Curvature pre-test
Engineers successfully completed the first Center of Curvature test for the James Webb Space Telescope's primary mirror, measuring its shape and alignment with incredible precision. The test will be repeated after launch environment testing to confirm the optics' performance in space.
NASA's Hubble spots possible water plumes erupting on Jupiter's moon Europa
Astronomers using NASA's Hubble Space Telescope have imaged what may be water vapor plumes erupting off the surface of Jupiter's moon Europa. The observation increases the possibility that missions to Europa may be able to sample its ocean without having to drill through miles of ice.
'GPS in space': NPL and Leicester bring autonomous interplanetary travel closer to reality
Researchers at NPL and University of Leicester publish paper showing a new method to calculate spacecraft position using pulsars, increasing space mission capabilities and autonomy. The technique can achieve accuracy of 2km in one direction and 30km in 3D with minimal Earth contact.
White dwarf lashes red dwarf with mystery ray
Astronomers using NASA/ESA Hubble Space Telescope discover a new type of exotic binary star system where a rapidly spinning white dwarf powers electrons to almost the speed of light, causing radiation blasts that lash the companion red dwarf star, resulting in dramatic pulses every 1.97 minutes.
One giant leap for space robotics
A new UK-RAS Network white paper led by Professor Yang Gao showcases the future of space robotics, predicting autonomous robots will replicate insects, birds, animals, and even humans on future missions. The report highlights technological advancements with applications in sectors like healthcare, mining, agriculture, and more.
NASA's Hubble looks to the final frontier
The Hubble Space Telescope has explored the farthest objects in the universe, unveiling a warping-of-space phenomenon predicted by Einstein. The telescope has magnified images of galaxies much farther away, allowing astronomers to study the early universe and understand dark matter.
NASA seeks picometer accuracy
A new tool is being developed by NASA to assure picometer-level stability, a feat not yet accomplished. The instrument will measure tiny changes in mirror segments and other supporting telescope structure during environmental testing.
Robot would assemble modular telescope -- in space
A new concept in space telescope design proposes a modular structure and an assembly robot to build extremely large telescopes in space. The robotic system would enable tasks to be performed without astronaut fatigue.
NASA eyes first-ever carbon-nanotube mirrors for CubeSat telescope
A team of NASA scientists is developing a compact, low-cost telescope for CubeSats that will utilize a mirror made of carbon nanotubes in an epoxy resin. The technology aims to provide a sensitive instrument for quick exploratory missions or as part of a constellation of similar CubeSats.
The complex material engineering of NASA's Webb Telescope sunshield
The sunshield consists of five layers of Kapton material, each coated with aluminum and doped-silicon for optimal thermal insulation. The unique kite-like shape and precise layer separation direct heat away from the optics, allowing the telescope to reach required temperatures.
'Space tsunami' causes the third Van Allen Belt
Scientists have discovered a 'space tsunami' that creates the third Van Allen Belt, a region of intense radiation in space. This finding helps mitigate the effects of extreme space weather and has significant implications for satellite operations and human exploration.
Sweden's biggest contribution yet to the world's largest radio telescope
Sweden's biggest contribution yet to the SKA has passed a major milestone with the delivery of an advanced feed horn for testing in Canada. The sensitive instrument will help astronomers map out the history of the universe and make measurements surpassing today's radio telescopes.
Algorithm could construct first images of black holes
Researchers developed an algorithm that can stitch together astronomical measurements from around the globe, producing the first images of black holes. The algorithm uses a technique called interferometry and preserves continuity in the image by using a mathematical model inspired by rubber sheets and plastic wrap.
Science instruments of NASA's James Webb Space Telescope successfully installed
The James Webb Space Telescope science instrument package was successfully installed into the telescope structure with precision engineering and teamwork. The team conducted rigorous training and testing before the critical mission operation, ensuring the instruments and mirrors are ready for launch.
IRIS releases new imagery of Mercury transit
The NASA-funded Interface Region Imaging Spectrograph (IRIS) captured striking images of Mercury during its May 9, 2016 transit across the sun. By observing this phenomenon, researchers can calibrate IRIS and gather data on the sun's lower atmosphere.
Queen's University Belfast astronomers' starring role in first movie of the universe
Astronomers at Queen's University Belfast will lead the UK's search for distant supernovae, asteroids, and comets. The LSST telescope will generate a massive scientific dataset of billions of galaxies, stars, and solar system objects, providing insights into the origin of chemical elements and the size and geometry of the Universe.
Hubble catches views of a jet rotating with Comet 252P/LINEAR
Astronomers observe a narrow, well-defined jet of dust ejected by the comet's icy nucleus, which appears to rotate like a water jet. The comet's close approach to Earth and sun results in large amounts of dust and gas being ejected, creating a dynamic spectacle.
Australian technology behind the world's largest telescope
The Five hundred metre Aperture Spherical Telescope (FAST) in China features technology developed by CSIRO engineers, making it one of the most sensitive telescopes globally. The telescope will explore the nature and evolution of the universe, helping to detect thousands of new pulsars.
NASA's Fermi Telescope helps link cosmic neutrino to blazar blast
Astronomers have linked a record-breaking cosmic neutrino, Big Bird, detected in 2012 to a powerful outburst from the black hole at PKS B1424-418. The association is supported by data from NASA's Fermi Gamma-ray Space Telescope and other space-based observatories.
James Webb Space Telescope's golden mirror unveiled
The James Webb Space Telescope's primary mirror is the largest yet sent into space, made of 18 beryllium segments coated with a thin layer of gold. The telescope will study the formation of solar systems capable of supporting life on planets similar to Earth, as well as the evolution of our own solar system.
Earth-space telescope system produces hot surprise
The scientists combined the Russian RadioAstron satellite with ground-based telescopes to produce a virtual radio telescope over 100,000 miles across. They discovered temperatures hotter than 10 trillion degrees in a quasar, challenging current understanding of quasar jets.
SourceNational Radio Astronomy Observatory·JournalThe Astrophysical Journal Letters·DateMar 29, 2016
NASA marks major milestones for the James Webb Space Telescope
The James Webb Space Telescope has completed critical cryogenic testing on its science instruments, a crucial step towards launch. The observatory will capture faint light from the universe's first objects after the Big Bang once launched into space.
The European Solar Telescope, chosen as a strategic scientific installation for Europe
The European Solar Telescope (EST) has been selected for a strategic scientific installation in Europe, aimed at studying solar phenomena with unprecedented accuracy. The four-meter diameter telescope will enable researchers to understand the magnetic activity of the sun and violent eruptions affecting terrestrial communications.
Deciphering compact galaxies in the young universe
A team of researchers discovered 80 young galaxies in the early universe, with at least 54 being spatially resolved. Computer simulations confirmed that many of these galaxies are actually merging pairs, triggering intense star formation activity. This study sheds light on the formation and evolution of compact galaxies.
NASA's James Webb Space Telescope secondary mirror installed
The James Webb Space Telescope's sole secondary mirror was successfully installed onto the telescope at NASA's Goddard Space Flight Center. The mirror is supported by three struts and made of beryllium coated with gold to efficiently reflect infrared light.
Hubble team breaks cosmic distance record
The team has shattered the cosmic distance record by measuring GN-z11, a surprisingly bright infant galaxy seen as it was 400 million years after the Big Bang. The observations reveal that GN-z11 is growing fast, forming stars at a rate about 20 times greater than our galaxy does today.
NASA Goddard network maintains communications from space to ground
Goddard's Network Integration Center coordinates communications for Near Earth and Space Networks, ensuring reliable data transmission from space to ground. The center has been operational since Project Mercury and supports human spaceflight missions, including those in low-Earth orbit and beyond.
NASA's James Webb Space Telescope coming together over next 2 years
The James Webb Space Telescope is being assembled over the next two years, with recent installations of primary mirror segments and upcoming tests at NASA Goddard and Johnson Space Center. The telescope will undergo end-to-end optical testing in a simulated cryo-temperature environment before final assembly and launch preparation.
NASA introduces new, wider set of eyes on the universe
The Wide Field Infrared Survey Telescope (WFIRST) will aid researchers in unraveling the secrets of the universe by studying dark energy and dark matter. The observatory will discover new worlds outside our solar system and advance the search for life-suitable planets.
NASA engineer awaits launch of CubeSat mission demonstrating virtual-telescope tech
The CANYVAL-X mission demonstrates the technology for a virtual telescope by aligning two tiny satellites to create a single telescope. This feat is expected to benefit scientists studying the sun's corona and searching for planets beyond our solar system.
NASA helps power grids weather geomagnetic storms
Scientists from NASA's Goddard Space Flight Center are developing a model called Solar Shield to simulate how space weather affects the US power grid. By analyzing coronal mass ejections and solar wind streams, researchers can predict when and where geomagnetic storms will occur, allowing for proactive measures to protect the grid.
Studying the solar system with NASA's Webb Telescope
The James Webb Space Telescope will study planets, moons, comets and asteroids in our solar system to understand its formation and potential habitability. Scientists envision monitoring the water cycle on Mars, studying weather patterns on Saturn's moon Titan, and tracking comets to better comprehend our solar system's evolution.
NASA's James Webb Space Telescope primary mirror fully assembled
The final primary mirror segment was installed on the telescope structure using a robotic arm, completing a decade-long design and manufacturing process. Once deployed, the 18 segments will form a single large 21.3-foot diameter mirror to study planetary atmospheres, star-forming regions, and the universe's beginnings.
SwRI-designed miniature spacecraft selected to fly on rocket's test flight in 2018
The Southwest Research Institute\u2019s CuSP microsatellite will observe interplanetary magnetic fields and energetic particles in the solar wind. The mission aims to improve simulations of space weather, helping scientists understand its impact on power grids and space technology.
NASA Webb Telescope mirrors installed with robotic arm precision
The James Webb Space Telescope's 18 primary flight mirror segments are being installed using a high-precision robotic arm, requiring fraction-of-a-millimeter accuracy. The team uses lasers to measure distance and a coordinate system to place each segment, achieving precision better than the thickness of a piece of paper.
By the dozen: NASA's James Webb Space Telescope mirrors
The James Webb Space Telescope has made significant progress with the installation of its primary mirror segments, a critical component of the observatory. The 18 hexagonal-shaped mirrors will work together as one large 21.3-foot mirror, unfolding and adjusting to shape after launch.
Testing the James Webb Space Telescope with radio waves
The James Webb Space Telescope's Integrated Science Instrument Module passed a test for compatibility with the spacecraft's electromagnetic environment. The test, conducted in an anechoic chamber, aimed to assess the likelihood of interference and ensure the instrument's functionality in space.
James Webb Space Telescope mirror halfway complete
The James Webb Space Telescope's segmented primary mirror is half complete with nine mirrors installed, on track for full completion in early 2016. The mirrors were built by Ball Aerospace & Technologies Corp and will work together as one large 21.3-foot mirror.
Hubble sees the force awakening in a newborn star
NASA's Hubble Space Telescope has photographed a newborn star with twin jets, reminiscent of a Star Wars lightsaber, in the Orion B molecular cloud complex. The protostar is feeding on surrounding material and shooting gas into space, creating shock fronts that heat up the surrounding gas.
Hubble reveals diversity of exoplanet atmosphere
Astronomers have studied ten hot Jupiter-sized exoplanets in detail using Hubble and Spitzer telescopes. The results show that planetary atmospheres are more diverse than expected, with some planets containing clouds and haze that hide water from view. This solves the mystery of why some exoplanets appear to have less water than expected.
NASA's Webb 'Pathfinder Telescope' successfully completes second super-cold optical test
The James Webb Space Telescope's 'Pathfinder' telescope completed its second super-cold optical test, using specialized equipment to simulate star images and perform end-to-end testing. The successful test demonstrates the ability to optically test and align the telescope at planned operating temperatures.
NASA's Webb Space Telescope receives first mirror installation
The James Webb Space Telescope has received its first mirror installation, with 18 primary mirror segments scheduled to be installed by early next year. The mirrors are made of ultra-lightweight beryllium and must remain precisely aligned in space for successful science investigations.
James Webb Space Telescope 'wings' successfully deployed
Engineers completed two deployments for the James Webb Space Telescope's wings, a crucial step in assembling the telescope's carbon fiber framework. The telescope will hold 18 mirrors and fold up to fit inside a launch vehicle.
Queen's University Belfast lead research milestone in predicting solar flares
A new technique allows for faster monitoring of magnetic field changes before solar flares, providing advance warning of potentially devastating space storms. The method, developed by Queen's University Belfast, enables scientists to examine the precursors responsible for destructive space weather.
Hubble uncovers the fading cinders of some of our galaxy's earliest homesteaders
Astronomers use Hubble Space Telescope to uncover blueprints of Milky Way's early construction phase, revealing the history of stars that existed 12 billion years ago. The study suggests the galaxy's bulge formed first and its stellar inhabitants were born quickly, with the rest of the galaxy growing more slowly.
Astrosat's Soft X-ray Telescope sees first light
The Soft X-ray focusing Telescope (SXT) onboard Astrosat successfully saw its first light on Oct. 26, 2015, after the camera door was opened at 06:30UT. The telescope's mirrors were aligned perfectly to image a single point, and data quality is excellent.
NASA's Webb Telescope science instruments begin final super cold test
The James Webb Space Telescope's Integrated Science Instrument Module has begun its final cryogenic test at NASA's Goddard Space Flight Center. The test, which will last several months, aims to ensure the instruments are ready for flight and can withstand the extreme temperatures they will encounter in space.
Most earth-like worlds have yet to be born, according to theoretical study
A new theoretical study suggests that only eight percent of potentially habitable planets will ever form in the universe, while the bulk of those planets - 92 percent - have yet to be born. This conclusion is based on an assessment of data collected by NASA's Hubble Space Telescope and the Kepler space observatory.
SourceNASA/Goddard Space Flight Center·JournalMonthly Notices of the Royal Astronomical Society·DateOct 20, 2015
NASA's Webb 'Pathfinder Telescope' successfully completes first super-cold optical test
The Pathfinder telescope has completed its first super-cold optical test, achieving significant breakthroughs in cryogenic alignment and testing of primary mirror segments. This test demonstrated the ability to optically test and align the telescope at -400 degrees Fahrenheit, simulating operating temperatures for the L2 Lagrange point.
Mysterious ripples found racing through planet-forming disc
Astronomers have discovered fast-moving wave-like features in the debris disc of star AU Microscopii, which could be a sign of something unusual. The ripples are racing away from the star at speeds of up to 40,000 kilometers per hour, making them unlike anything ever observed before.
11-year cosmic search leads to black hole rethink
Scientists used Parkes telescope for 11 years to detect gravitational waves but found nothing, suggesting that black holes may merge quickly without generating waves. The lack of detection has implications for astronomers who want to use pulsar timing techniques to spot gravitational waves.
The secrets of NASA's Webb Telescope's 'deployable tower assembly'
The deployable tower assembly (DTA) is a crucial component of the James Webb Space Telescope, enabling its instruments to be separated from the spacecraft bus and sunshield after launch. This allows the sunshield to unfurl and shade the telescope and instruments from radiant heat and stray light.
James Webb Space Telescope backplane arrives at NASA Goddard for mirror assembly
The James Webb Space Telescope's flight backplane has arrived at NASA's Goddard Space Flight Center, marking a significant step towards the telescope's 2018 launch. The backplane will hold the telescope's 18 hexagonal mirrors and instruments steady while observing deep space.
NASA's Webb sunshield gives an 'open wide' for inspection
The sunshield on NASA's James Webb Space Telescope is the largest part of the observatory, separating a warm sun-facing side from a cold environment to protect sensitive infrared instruments. The precise unfolding of the five-layer sunshield must be accurate within a few centimeters to maintain alignment and operate effectively.
Scientists simulate the space environment during NASA's New Horizons flyby
Researchers created a simulation of Pluto's space environment to estimate solar wind densities and understand how they affect the dwarf planet's atmosphere. The models, which take into account coronal mass ejections and other factors, suggest that Pluto may experience low solar wind densities for about a month before being compressed.
NASA's Fermi sees record flare from a black hole in a distant galaxy
Astronomers observed a record-setting flare from the blazar galaxy 3C 279, which became four times brighter than the brightest persistent source in the gamma-ray sky. The rapid fading of the flare was detected by NASA's Fermi Gamma-ray Space Telescope and other satellites.
We're not alone -- but the universe may be less crowded than we think
A new study using high-resolution simulations suggests that there are far fewer faint galaxies than previously thought. The Renaissance Simulations, conducted on the Blue Waters supercomputer, show hundreds of well-resolved galaxies and provide novel predictions for the James Webb Space Telescope.