logo
Astronomers make groundbreaking discovery about largest comet ever observed flying through deep space

Astronomers make groundbreaking discovery about largest comet ever observed flying through deep space

Fox News3 days ago

A groundbreaking discovery was recently made about the largest comet ever observed hurtling toward the sun from the Oort Cloud in the outer reaches of our solar system.
Astronomers recently got a close-up look at the comet, known as C/2014 UN271, flying through deep space with the powerful Atacama Large Millimeter/submillimeter Array (ALMA) radio telescope in Chile.
The icy giant is 85 miles across and is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory (NRAO).
The NRAO reported that astronomers found that new observations from the comet showed jets of carbon monoxide gas erupting out from the comet's solid icy core.
Using the ALMA, the researchers found the comet in deep space near Neptune or about 17 times the distance between the Sun and Earth, according to a release from NRAO.
Using the ALMA telescope's high sensitivity and resolution, the researchers were able to focus on the carbon monoxide and heat being emitted from the comet.
Nathan Roth of American University and NASA Goddard Space Flight Center, the lead author of the study, which was published in the Astrophysical Journal Letters, discussed how this gives researchers insight into the workings of this frozen rock hurtling through space.
"These measurements give us a look at how this enormous, icy world works," Roth said. "We're seeing explosive outgassing patterns that raise new questions about how this comet will evolve as it continues its journey toward the inner solar system."
Using previous ALMA observations and these newest findings, researchers were able to measure the comet. They measured the thermal signal to find the comet's size and amount of dust surrounding its core.
Researchers believe that as C/2014 UN271 gets closer to the sun, they will see more frozen gas begin to vaporize off the titan of a comet. This could possibly give researchers more information about the primitive makeup of this icy giant.
The researchers also hope that this will give a better understanding of the makeup of the solar system.

Orange background

Try Our AI Features

Explore what Daily8 AI can do for you:

Comments

No comments yet...

Related Articles

NASA satellite emits 'spark' decades after going dormant: Astronomers think they know why
NASA satellite emits 'spark' decades after going dormant: Astronomers think they know why

USA Today

time2 hours ago

  • USA Today

NASA satellite emits 'spark' decades after going dormant: Astronomers think they know why

Source of the radio waves was tracked to a location that matches that of NASA's defunct Relay 2 spacecraft, which launched in 1964 from Cape Canaveral, Florida. A NASA satellite that had been dead for nearly six decades issued a surprising sign of life. In June 2024, a team of astronomers were perplexed when a radio telescope in Australia scanning the sky over the southern hemisphere came across unusual radio waves. The burst of radiation was very bright, exceedingly quick – and much closer to Earth than the scientists would have thought. After studying the source of the strange cosmic phenomena, the researchers were even more mystified when it appeared to be originating from the same location as a NASA spacecraft that went offline about 58 years ago, according to a press release about the discovery released June 25, 2025. Don't be fooled, though: The defunct spacecraft that operated for about three years in the 1960s isn't kicking back on to resume operations anytime soon. So, what's going on? Here's what to know about the strange signal, and how astronomers tracked it to a defunct NASA satellite. What is NASA Relay 2 spacecraft? Astronomers tracked the source of the radio waves to a location that matches that of NASA's defunct Relay 2 spacecraft, a communications satellite that launched into orbit in 1964 from Cape Canaveral, Florida. The spacecraft operated until June 1967 after both of its onboard transponders failed. So, has the long-dead satellite has suddenly sprung back to life after nearly six decades? Astronomers say that's unlikely. Rather, the waves more likely came from a "spark" of built up electricity, which emitted a pulse as it jumped from one part of the spacecraft to another while passing through charged environment above Earth's atmosphere, according to the researchers. Strange signal originated in Milky Way The team of astronomers discovered the strange signal while hunting for bright, powerful flashes of electromagnetic radiation in the distant universe known as fast radio bursts. Most surprising to the researchers, all of whom are from the International Centre for Radio Astronomy Research, was that the signal spotted June 13, 2024, didn't originate from a far-flung galaxy. Instead, it originated in our own cosmic neighborhood in the Milky Way. While incredibly bright, the event only lasted less than 30 nanoseconds. The astronomers detected it using Australia's national science agency's (CSIRO) ASKAP radio telescope. Clancy James, an astrophysicist at Curtin University in Australia's Perth campus, then led a team that studied the extremely bright source of radio waves to determine its source. While the satellite signal is one possible explanation, the researchers have also theorized that an impact with a tiny particle of space debris, known as a "micrometeoroid," could have caused the anomaly. Such impacts can create short-lived clouds of hot, charged gas that produce bursts of radio waves. Electrostatic discharges could post threats in Earth's orbit The discovery marks the first time that a spark of built-up electricity has been observed to be both so bright and so short in duration. Now that the detection has been made, the finding not only demonstrates how astronomers can help identify the origin of these kinds of signals in the future, but could even help humanity better understand how electrostatic discharges can pose a danger to satellites in Earth's orbit. "Detections like this show how the tools developed to study the distant Universe can help scientists understand the increasingly crowded and critically important space environment close to Earth," the researcher said in a statement. The research has been accepted for publication in Astrophysical Journal Letters. A pre-print version of the paper is available on arXiv. Eric Lagatta is the Space Connect reporter for the USA TODAY Network. Reach him at elagatta@

Rare Jupiter-sized planet discovered 3,200 light-years away using Einstein's space-time warping method
Rare Jupiter-sized planet discovered 3,200 light-years away using Einstein's space-time warping method

New York Post

time5 hours ago

  • New York Post

Rare Jupiter-sized planet discovered 3,200 light-years away using Einstein's space-time warping method

Astronomers used a method once theorized by Albert Einstein to find a mysterious and rare planet on the edge of our galaxy. The planet, AT2021uey b, is a Jupiter-sized gas giant located about 3,200 light-years from Earth in the galactic bulge. It takes AT2021uey b 4,170 days to orbit its dwarf star, according to a study published in the journal Astronomy & Astrophysics. Advertisement According to Live Scence, AT2021uey b's shadow was first spotted in 2021 in data taken by the European Space Agency's Gaia telescope. It took the astronomers multiple check-ins to confirm the details of the planet. The astronomers discovered the planet using microlensing, a method used only three times previously, according to the study. Microlensing, which is based on Einstein's theory of relativity, relies on massive objects moving through the galaxy to warp the fabric of the universe, called space-time. Advertisement 3 An artist's illustration of the Gaia space telescope, which first spotted the microlensing event in 2021. ESA/ATG medialab / SWNS Dr. Marius Maskoliunas, astronomer at Vilnius University and co-author of the study, discussed in a statement posted in just how much work goes into using this method. 'This kind of work requires a lot of expertise, patience and, frankly, a bit of luck. You have to wait for a long time for the source star and the lensing object to align and then check an enormous amount of data,' Maskoliunas said in the statement. 'Ninety percent of observed stars pulsate for various other reasons, and only a minority of cases show the microlensing effect.' 3 A visualization of the Milky Way and Andromeda galaxies. NASA/ESA et al. / SWNS Advertisement According to the study, microlensing occurs when a massive celestial body briefly positions itself directly in front of an even more distant star. As the planet settles in front of the star during its journey, the light begins to curve around the planet, magnifying the light of the star. According to the study, this temporary magnified light is what astronomers are searching for. Maskoliunas gave an example of how to imagine how microlensing works. 3 An illustration depicts NASA's Juno spacecraft in orbit above Jupiter. NASA/JPL-Caltech / SWNS Advertisement 'What fascinates me about this method is that it can detect those invisible bodies. Imagine a bird flying past you. You don't see the bird itself and don't know what color it is — only its shadow,' Maskoliunas said in the statement. 'But from it, you can, with some level of probability, determine whether it was a sparrow or a swan and at what distance from us. It's an incredibly intriguing process.' According to Live Science, there have been nearly 6,000 planets discovered since 1992 using two other more common practices known as transmit photometry and radial velocity. These more common practices will detect planets through host stars becoming dimmer due to said planets. They will also detect the wobble of the planets' gravitational pulls that occur.

‘Scary' Fireball Seen Shooting Across the Sky Confirmed as Meteor That Exploded with the Force of 20 Tons of TNT: See the Video
‘Scary' Fireball Seen Shooting Across the Sky Confirmed as Meteor That Exploded with the Force of 20 Tons of TNT: See the Video

Yahoo

time8 hours ago

  • Yahoo

‘Scary' Fireball Seen Shooting Across the Sky Confirmed as Meteor That Exploded with the Force of 20 Tons of TNT: See the Video

Witnesses across southeastern U.S. states reported seeing a 'really scary' fireball moving across the sky on June 26 A NASA expert confirmed to PEOPLE that the object was a meteor, which is a streak of light caused by a small space rock burning up after entering Earth's atmosphere 'It disintegrated 27 miles above West Forest, Georgia, unleashing an energy of about 20 tons of TNT,' NASA saidThe 'scary' fireball that witnesses saw shooting across the sky in southeastern U.S. states on Thursday, June 26, has been identified. Bill Cooke, NASA's Meteoroid Environment Office lead, confirmed to PEOPLE that the moving object was a meteor — a streak of light caused by a small space rock burning up after entering Earth's atmosphere. 'The meteor was first seen at an altitude of 48 miles above the town of Oxford, Georgia, moving southwest at 30,000 miles per hour,' Cooke said in a statement, adding that his team analyzed eyewitness accounts and camera, satellite, infrasound and doppler weather radar data. 'It disintegrated 27 miles above West Forest, Georgia, unleashing an energy of about 20 tons of TNT. The resulting pressure wave propagated to the ground, creating booms heard by many in that area,' Cooke continued. He added in the statement that the meteor was produced by an asteroidal fragment that was 3 feet in diameter and weighed more than a ton. CBS Mornings reported that at least 20 fireball events have been tracked worldwide in 2025, per NASA's Center for Near Earth Objects Studies. Georgia resident Melanie Whitlock told Atlanta news station WSB-TV that feeling the meteor's sonic boom 'was really, really scary.' Never miss a story — sign up for to stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories. Her daughter, Amber Hudson, also recalled to the outlet, 'I was even shaking, like, back and forth, and then I was just hearing like the banging sound or whatever, and even a water bottle fell off my nightstand.' Read the original article on People

DOWNLOAD THE APP

Get Started Now: Download the App

Ready to dive into a world of global content with local flavor? Download Daily8 app today from your preferred app store and start exploring.
app-storeplay-store