The telescope underwent a series of tests designed to ensure it functions as expected in an extremely cold environment, including alignment checks and cryogenic vacuum testing. After 15 years of planning and over 90 days of testing, the telescope's cryogenic test has been deemed an outstanding success.
The Zwicky Transient Facility's (ZTF) new survey camera captures hundreds of thousands of stars and galaxies in a single shot, taking its first image of the sky, dubbed 'first light.' ZTF aims to discover objects and events varying in brightness over time, including explosive supernovae, hungry black holes, and asteroids/comets.
The James Webb Space Telescope has released early data from its first five months of operations, targeting Jupiter and its moons, organic molecule-forming infant stars, supermassive black holes, and baby galaxies. The observations will explore exoplanet atmospheres using infrared spectrographs and peer into the distant universe to exam...
Astronomers study distant galaxy's gravitational lensing, revealing smaller-than-thought giant clumps. Groundbreaking observations and simulations confirm turbulent nature of distant galaxies.
Astronomers have detected the second most distant star-forming galaxy in the universe, born 12.8 billion years ago, using the Large Millimeter Telescope (LMT). The galaxy is one of the first massive galaxies to form and was observed with high precision using millimeter waves.
Researchers found permanent effects on human brain structure due to microgravity, including crowding and narrowing of the brain's central sulcus. The study aimed to understand the causes of VIIP syndrome, a condition affecting astronauts' vision and intracranial pressure.
The James Webb Space Telescope aligns its primary mirror segments through wavefront sensing and control, measuring imperfections with a near-infrared camera instrument. Engineers use computer algorithms to determine the mirror's shape and movement, resulting in sharp, focused images.
The James Webb Space Telescope successfully tested its optics alignment using a unique 'selfie' photo. The image verified the line of sight for the telescope's cryogenic testing configuration.
A new model reveals that neutral particles facilitate magnetic field penetration through the Sun's surface, producing spicules. This leads to the generation of Alfvén waves, which are thought to heat the sun's atmosphere and propel the solar wind.
Scientists will use NASA's James Webb Space Telescope to study the creation of the universe's first galaxies and stars. With its powerful spectrographic instruments, Webb will see much more detail than imaging alone can provide, allowing scientists to study how gases transformed into stars in the first galaxies.
Hubble identifies potential targets for Webb using preparatory science observations, filling observational gaps in the infrared spectrum. Astronomers plan to use Hubble to survey multiple targets and determine the best strategy for Webb, optimizing observation time.
The Cherenkov Telescope Array's (CTA) updated science case outlines the observatory's major science themes and potential discoveries in astrophysics and fundamental physics. CTA will explore extreme environments, probe cosmic voids, and search for dark matter, with the potential for unexpected breakthroughs.
Engineers aligned NASA's James Webb Space Telescope's 18 hexagonally shaped primary mirror segments using a multi-wavelength interferometer and seven actuators to achieve precise alignment. The ability to adjust the mirror segments' positions and shapes is critical for accurate focus on celestial targets.
Research by Embry-Riddle Aeronautical University's Katariina Nykyri suggests that solar wind fluctuations can affect the speed and strength of space hurricanes, impacting plasma transport into Earth's magnetosphere. This may provide insights for better space-weather prediction and safer satellite navigation.
The James Webb Space Telescope relies on a complex shroud system to maintain extremely low temperatures, minimizing unwanted infrared light that could compromise optical testing. The system consists of two nested shrouds: liquid nitrogen and cold gaseous helium, which work together to cool the telescope.
A NASA study found that astronaut blood parameters, such as red blood cells and oxygen-carrying proteins, remained higher than pre-flight levels even after adapting to microgravity. The study collected whole blood samples from 31 astronauts over up to six months on the International Space Station.
The Canadian Hydrogen Intensity Mapping Experiment (CHIME) telescope is a revolutionary radio telescope that will create a three-dimensional map of the universe, extending deep into space and time. By measuring dark energy, scientists will better understand the shape, structure, and fate of the universe.
The Canadian Hydrogen Intensity Mapping Experiment (CHIME) is a radio telescope that will survey more than half the sky each day, creating a three-dimensional map of the largest volume of space ever surveyed. This will help scientists better understand the history of the universe and the nature of dark energy.
The James Webb Space Telescope will study the 'ocean worlds' of Europa and Enceladus, adding to previous observations by Galileo and Cassini orbiters. The telescope's high-resolution imagery and spectroscopic analysis will help unravel the mysteries of these moons' subsurface oceans and potential biosignatures.
The Tracking and Data Relay Satellites (TDRS) have provided critical communication services to NASA's missions since the 1980s, increasing global communication coverage to over 99%. The TDRS network will continue to play a vital role in space communications for years to come.
Researchers at UTMB and Houston Methodist are growing lungs in space to understand how lung cells react to the change in gravity and extreme space environment. The goal is to develop therapeutics that could help astronauts and people on Earth with autoimmune diseases, hormone deficiencies, and other issues.
The ISS-CREAM mission will study cosmic rays at energies above 1 billion electron volts, shedding light on their origins and properties. The experiment aims to measure the highest-energy particles yet detected in space, providing unparalleled insights into the interstellar neighborhood.
The telescope is cooled to minus 387 Fahrenheit as scientists and engineers monitor its performance with temperature sensors and cameras. Once complete, the telescope will be integrated with the spacecraft and sunshield at Northrop Grumman, California, before undergoing final tests called 'observatory-level testing,'
The five sunshield layers of NASA's James Webb Space Telescope have been fully installed, providing precise temperature control for the telescope's infrared sensors. The layers work together to reduce temperatures by approximately 570 degrees Fahrenheit, ensuring optimal performance for observing distant objects in the universe.
Scientists have discovered over 2,000 pulsars, which are rapidly spinning dense stellar corpses that appear to pulse at Earth. The Neutron star Interior Composition Explorer mission will reveal how nature's fundamental forces behave within the cores of these objects.
The James Webb Space Telescope has successfully completed its Ground Segment Test Number 1, confirming end-to-end communication between the telescope and its mission operations center. The test, which took place on June 20, tested all communications systems required for launch, commissioning, and normal operations.
The temperature of Chamber A steadily dropped from Houston's heat, reaching 20 kelvins (-424°F/-253°C), while the Webb telescope's instruments transferred heat to surrounding liquids and gases.
A team of astronomers detected a massive star's titanic explosion and measured its development and decay in unprecedented detail. The findings provide strong evidence for one of two competing models for how gamma-ray bursts produce their energy, with the data showing powerful magnetic fields confining and directing the radiation.
A combined analysis of NASA's Fermi Gamma-ray Space Telescope and H.E.S.S. data suggests the galactic center contains a high-energy trap that concentrates cosmic rays, mostly protons. This results in a gamma-ray glow extending to the highest energies observed.
The James Webb Space Telescope will undergo a three-month test period at NASA's Johnson Space Center to prove its ability to operate in space-like conditions. Chamber A, a historic Apollo-era test chamber, simulates temperatures as low as -393 degrees Fahrenheit, essential for detecting infrared light from distant objects.
The James Webb Space Telescope will observe a range of celestial objects, from the outer planets and Kuiper Belt to exoplanets and distant galaxies. The initial 2100 observations planned will address various science areas, including first light, galaxy assembly, and star and planet birth.
Using the Hubble Space Telescope, astronomers measured the deflection of light rays as they passed near a white dwarf star, providing a solid estimate of its mass. The result confirms theoretical predictions and offers insights into the star's structure and composition.
The James Webb Space Telescope is being tested at NASA's Chamber A, a massive thermal vacuum testing chamber that previously tested Apollo moon mission hardware. The chamber has undergone major upgrades to reach extremely low temperatures and conduct precise optical testing.
A NASA team led by Manuel Quijada is investigating techniques for creating highly reflective aluminum mirrors sensitive to the infrared, optical, and far-ultraviolet wavelength bands. They aim to develop a coating that improves reflectance in the far ultraviolet while allowing observations in other wavelength bands.
The new 'Webb-cam' provides daily video feeds on the telescope's progress, allowing space enthusiasts to see the telescope's development in real-time. The camera is mounted where it has a view of the cleanroom at NASA Johnson Space Center and can be seen online.
The Australian Square Kilometre Array Pathfinder (ASKAP) has successfully detected its first fast radio burst (FRB), marking a major breakthrough in this elusive field of astronomy. The detection was made using an innovative strategy, allowing the telescope to scan a larger area of the sky and increasing its chances of finding FRBs.
Astronomers have discovered a moon orbiting the third largest dwarf planet in our solar system using NASA's Hubble Space Telescope. The discovery provides key insights into how moons formed in the young solar system.
A new study examines the effects of high-altitude nuclear explosion tests on Earth's magnetic environment, revealing similarities with natural radiation belts and auroras. The research sheds light on the impact of space weather on satellites and astronauts.
The Crab Nebula has been extensively studied, yet astronomers still have much to learn. By combining data from multiple telescopes, a team of scientists gained new insights into the object's complex physics.
A team of researchers at the University of Strathclyde has successfully created man-made space radiation in a laboratory setting using laser-plasma-based accelerators. This breakthrough could enable safer and more reliable space exploration by testing devices and equipment in controlled conditions on Earth.
The Hubble Space Telescope captured the largest planet in our solar system, Jupiter, at unprecedented resolution. The telescope revealed exquisite details in Jupiter's atmosphere, including small-scale storm systems and wind patterns that reach speeds of up to 400 miles per hour.
The Cerro Chajnantor Atacama Telescope (CCAT-prime) will be the highest telescope of its kind, allowing scientists to study the formation of stars and galaxies in unprecedented detail. With a diameter of six meters and location at an altitude of 5,612 meters, CCAT-prime aims to solve the mystery of dark matter and dark energy.
The Cerro Chajnantor Atacama Telescope-prime (CCAT-p) will map the sky at submillimeter and millimeter wavelengths, giving unprecedented insights into star and galaxy formation. The telescope's high-altitude location and innovative design enable faster measurements of polarized signals, revealing clues about the universe's early moments.
Researchers are creating the first images of a supermassive black hole's event horizon using an Earth-sized telescope. The project aims to test predictions from Einstein's general relativity theory by studying the shadow, mass, and spin of the black hole.
The James Webb Space Telescope has completed its acoustic and vibration tests, ensuring it can withstand launch vibrations and maintain functionality in space. The telescope was subjected to simulated forces of up to 100 times per second using a new vibration test system.
A new EU report highlights knowledge gaps in reducing risks linked to space weather and recommends policy, industry, and science collaborations to close these gaps. The report also emphasizes the need for early warning systems and better communication between science and industry.
The James Webb Space Telescope is inspected for contamination using ultraviolet flashlights in a darkened clean room. The long exposure captures the technicians as 'ghostly wraiths', while a special light technique illuminates the primary mirror.
Alan Dressler, chair of the AURA Hubble Space Telescope (HST) and Beyond Committee, received the 2017 Carl Sagan Memorial Award for his leadership in research and policies advancing exploration of the Cosmos. The award recognizes the committee's influential report that led to the development of NASA's James Webb Space Telescope.
Scientists from NASA and NCAR have shown that tracking coronal mass ejections can help detect solar energetic particles earlier than current forecasting techniques. This could provide critical warning time for astronauts in low-Earth orbit or interplanetary space.
The James Webb Space Telescope will analyze atmospheric components in TRAPPIST-1 exoplanets for potential biosignatures. Three promising planets, e, f and g, orbit within the habitable zone, with conditions suitable for supporting liquid water.
The James Webb Space Telescope is set to undergo an earsplitting acoustic test, simulating the intense vibrations of launch. The team at NASA's Goddard Space Flight Center has completed vibration testing and prepared the telescope for the test, which will push its limits.
A NASA-funded balloon carrying a telescope was left on the ice in Antarctica for a year before its instruments were recovered. The GRIPS project studied high-energy particles generated by solar flares, with findings providing new insights into these giant eruptions on the sun.
The Tracking and Data Relay Satellite (TDRS) project is completing final testing on a new satellite that will extend NASA's Space Network capabilities. The addition of TDRS-M will provide nearly continuous coverage for an additional 15 years.
Scientists and engineers at NASA created a new, large-scale shaker table system to test the James Webb Space Telescope's vibrations during launch. The 'Vibration Test Systems' simulates forces from 5-100 Hz, enabling precise control over shaking levels.
A new tool called EEGGL helps map out the paths of coronal mass ejections (CMEs) before they reach Earth. The model is based on fundamental physics theory and takes into account the magnetic structure of CMEs, providing a better understanding of their behavior in space.
Astronomers using the Hubble Space Telescope have made an independent measurement of the universe's expansion rate, consistent with earlier findings but in disagreement with measurements from the early Universe. The study uses galaxies as giant gravitational lenses to determine the Hubble constant to a high precision.
NASA has resumed rigorous vibration testing on the James Webb Space Telescope after an early shutdown in 2016 due to sensor readings exceeding predicted levels. The team implemented changes to the test profile to prevent similar issues, adding diagnostic tests to ensure confidence in the launch environment.
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.
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.
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.