Space News & Blog Articles

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Neutron Star is Spraying Jets Like a Garden Sprinkler

X-ray binaries are some of the oddest ducks in the cosmic zoo and they attract attention across thousands of light-years. Now, astronomers have captured new high-resolution radio images of the first one ever discovered. It’s called Circinus X-1. Their views show a weird kind of jet emanating from the neutron star member of the binary. The jet rotates like an off-axis sprinkler as it spews material out through surrounding space, sending shockwaves through the interstellar medium.

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NASA Stops Work on VIPER Moon Rover, Citing Cost and Schedule Issues

NASA says it intends to discontinue development of its VIPER moon rover, due to cost increases and schedule delays — but the agency is also pointing to other opportunities for robotic exploration of the lunar south polar region.

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Experimental Radar Technique Reveals the Composition of Titan’s Seas

The Cassini-Huygens mission to Saturn generated so much data that giving it a definitive value is impossible. It’s sufficient to say that the amount is vast and that multiple scientific instruments generated it. One of those instruments was a radar designed to see through Titan’s thick atmosphere and catch a scientific glimpse of the moon’s extraordinary surface.

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Webb Measures the Weather on a Tidally Locked Exoplanet

Exploring exoplanet atmospheres in more detail was one task that planetary scientists anticipated during the long wait while the James Webb Space Telescope (JWST) was in development. Now, their patience is finally paying off. News about discoveries of exoplanet atmosphere using data from JWST seems to be coming from one research group or another almost every week, and this week is no exception. A paper published in Nature by authors from a few dozen institutions describes the atmospheric differences between the “morning” and “evening” sides of a tidally locked planet for the first time.

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More Than Half of Near Earth Objects Could Be “Dark Comets”

Next time you’re visiting the seaside or a large lake, or even sipping a frosty glass of water, think about where it all originated. There are many pathways that water could have taken to the infant Earth: via comets, “wet asteroids”, and outgassing from early volcanism. Aster Taylor, a University of Michigan graduate student has another idea: dark comets. They’re something of a cross between asteroids and comets and could have played a role in water delivery to our planet.

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New Images From Webb Reveal Jupiter's Complex Atmosphere

The James Webb Space Telescope (JWST) has accomplished some spectacular feats since it began operations in 2021. Thanks to its sensitivity in the near- and mid-infrared wavelengths, it can take detailed images of cooler objects and reveal things that would otherwise go unnoticed. This includes the iconic image Webb took of Jupiter in August 2022, which showed the planet’s atmospheric features (including its polar aurorae and Great Red Spot) in a new light. Using Webb, a team of European astronomers recently observed the region above the Great Red Spot and discovered previously unseen features.

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Pulsars are the Ideal Probes for Dark Matter

Pulsars are the remnants of the explosion of massive stars at the end of their lives. The event is known as a supernova and as they rapidly spin they sweep a high energy beam across the cosmos much like a lighthouse. The alignment of some pulsar beams mean they sweep across Earth predictably and with precise regularity. They can be, and often are used as timing gauges but a team of astronomers have found subtle timing changes in some pulsars hinting at unseen mass between pulsars and telescopes—possibly dark matter entities.

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Webb Maps the Weather on the Closest Brown Dwarfs to Earth

James Webb Space Telescope (JWST) has done it again. A team of astronomers have used it to map the weather on a pair of brown dwarf stars. Infrared light was analysed from the pair and its variation over time was measured. The team were able to generate a 3D picture of the weather and discovered gasses in the atmosphere like water vapour, methane and carbon dioxide. Swirling clouds of hot sand were also found with temperatures reaching as high as 950 C!

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Astronauts Struggle To Eat Their Space Food and Scientists Want to Know Why

Astronauts sometimes struggle to consume enough nutritious food on the ISS because it tastes bland. But astronaut food is of high quality and designed to be palatable and to meet nutrition needs. What’s the problem?

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Volunteers Complete a Simulated Year on Mars

The crew of NASA’s first Mars habitat simulation, CHAPEA 1, exited their Earth-based environment after 378 days on July 6 at 5 p.m. EDT. Greeted by friends, family, mission team members and project directors, the crew of four expressed gratitude and optimism about their time in isolation and the data collected, which will contribute to the future goal of putting boots on Mars.

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Only Hubble Could Make this Measurement of a Supernova

Calculating the distance to far-away objects, such as galaxy clusters and quasars, is difficult. But it is also critical to our understanding of how the universe evolves. Luckily, humanity has a trusty workhorse that has been collecting data for such calculations for decades—Hubble. It is by far the best telescope suited to the job, as described by a recent NASA press release about a distance measurement to a supernova in a nearby galaxy.

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Dune-Inspired Stillsuits Could Allow Astronauts to Recycle Their Urine Into Water

If history has taught us one thing, it is that science fiction often gives way to science fact. Consider the Star Trek communicator and the rise of flip phones in the late 1990s and early 2000s, or how 2001: A Space Odyssey predicted orbiting space stations and reusable space planes – like the International Space Station (ISS) and the Space Shuttle. And who can forget Jules Verne’s classic, From the Earth to the Moon, and how it anticipated that humans would one day walk on the Moon? Almost a century later, this dream would be realized with the Apollo Program.

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A Walking Balloon Could One Day Explore Titan – Or Earth’s Sea Floor

Novel ways to move on other celestial bodies always draw the attention of the space exploration community. Here at UT, we’ve reported on everything from robots that suspend themselves from the walls of Martian caves to robots that hop using jets of locally mined gas. But we haven’t yet reported on the idea of a balloon that “walks.” But that is the idea behind the BALloon Locomotion for Extreme Terrain, or BALLET, a project from Hari Nayar, a Principal Roboticist at NASA’s Jet Propulsion Laboratory, and his colleagues.

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Webb Completes Its Second Year of Operations

What happens when a spiral and an elliptical galaxy collide? To celebrate the second anniversary of the “first light” for the Webb telescope, NASA released an amazing infrared view of two galaxies locked in a tight dance. They’re called the Penguin and the Egg and their dance will last hundreds of millions of years.

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Galaxies Regulate their Own Growth so they Don’t Run Out of Star Forming Gas

Look at most spiral or barred spiral galaxies and you will see multiple regions where stars are forming. These star forming regions are comprised of mostly hydrogen gas with a few other elements for good measure. The first galaxies in the Universe had huge supplies of this star forming gas. Left unchecked they could have burned through the gas quickly, generating enormous amounts of star formation. Life fast though and die young for such an energetic burst of star formation would soon fizzle out leaving behind dead and dying stars. In some way it seems, galaxies seem to regulate their star formation thanks to supermassive black holes at their centre. 

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Mapping the Stars in a Dwarf Galaxy to Reveal its Dark Matter

Dark matter is curious stuff! As the name suggests, it’s dark making it notoriously difficult to study. Although it’s is invisible, it influences stars in a galaxy through gravity. Now, a team of astronomers have used the Hubble Space Telescope to chart the movements of stars within the Draco dwarf galaxy to detect the subtle gravitational pull of its surrounding dark matter halo. This 3D map required studying nearly two decades of archival data from the Draco galaxy. They found that dark matter piles up more in the centre, as predicted by cosmological models.

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A Close Pulsar Measures 11.4 km Across

When massive stars detonate as supernovae, they leave often behind a pulsar. These fast rotating stellar corpses have fascinated scientists since their discovery in 1967. One nearby pulsar turns 174 times a second and now, its size has been precisely measured. An instrument on board the International Space Station was used to measure x-ray pulses  from the star. A supercomputer was then used to analyse its properties and found it was 1.4 times the mass of the Sun and measured only 11.4 km across!

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Solar Flares and Solar Magnetic Reconnection Get New Spotlight in Two Blazing Studies

Two recent studies published in The Astrophysical Journal discuss findings regarding solar flare properties and a new classification index and the Sun’s magnetic field, specifically what’s called solar magnetic reconnection. These studies hold the potential to help researchers better understand the internal processes of the Sun, specifically pertaining to solar flare activity and space weather. Here, Universe Today discusses these two studies with both lead authors regarding the motivation behind the studies, significant results, and implications on our understanding regarding solar flares and space weather.

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‘Fly Me to the Moon’ Points to the Past and Future of Moonshot Marketing

In a new movie titled “Fly Me to the Moon,” a marketing consultant played by Scarlett Johansson uses Tang breakfast drink, Crest toothpaste and Omega watches to give a publicity boost to NASA’s Apollo moon program.

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SpaceX’s Rocket Failure Could Cause Delays for Lots of Launches

After going eight years and more than 300 launches without a failure, SpaceX had a Falcon 9 rocket launch go awry, resulting in the expected loss of 20 Starlink satellites.

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A Hopping Robot Could Explore Europa Using Locally Harvested Water

Various forms of hopping robots have crept into development for us[e in different space exploration missions. We’ve reported on their use on asteroids and even our own Moon. But a study funded by NASA’s Institute for Advanced Concepts (NIAC) in 2018 planned a mission to a type of world where hopping may not be as noticeable an advantage—Europa.

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