Search Results for: what are fast radio bursts

Alien-hunting AI discovers dozens of mysterious fast radio bursts

Astronomers with the Breakthrough Listen program used AI (artificial intelligence) to find 72 repeating, short, unpredictable radio bursts, from a mysterious source 3 billion light years away.

Fast radio bursts: A mystery unfolds

Repeating, short, unpredictable radio bursts left astronomers perplexed. Now they think the bursts were twisted by the extreme environment around a supernova or supermassive black hole.

Fast radio bursts firing every second?

New theoretical work indicates at least 1 fast radio burst, or FRB, going off somewhere each second. It contradicts the idea that FRBs might be evidence of an alien technology.

Alien seekers report 15 more fast radio bursts from FRB 121102

Breakthrough Listen – an initiative to find signs of intelligent life in the universe – used the Green Bank Telescope to observe the bursts from the mysterious distant object known as FRB 121102.

Night view illustration of the LOFAR telescope, with a bright starlike object in the sky and rainbow coloured emission emanating from it towards the telescope. Inset with spiral galaxy.

Radio waves from famous FRB surprisingly long and late

Astronomers have managed to detect very long wavelength radio emission from a well-studied, repeating fast radio burst, called FRB 20180916B. What’s more, the longer wavelengths arrive 3 days after the shorter wavelength counterpart of the signal! Why?

The closest extragalactic fast radio burst yet?

Astronomers detected a new, nearby, repeating fast radio burst, originating from a spot near the great spiral galaxy M81.

Large radio telescope dish with five towers around it, surrounded by forest.

China’s huge FAST telescope to open to international observers

FAST’s 500-meter (1,640-foot) dish makes it the world’s largest single-dish radio observatory. It’s expected to open to international observers in 2021.

Many bright white dots on black background, with squares, lines and text annotations.

Repeating fast radio burst woke up again on schedule. Now what?

FRB 121102 is one of the few known repeating fast radio bursts, and astronomers are trying to use this new period of activity to understand it better. Some predict the current active phase should end sometime between August 31 and September 9. Will it?

A circle surrounding a black dot, on a field of stars.

Astronomers ponder Odd Radio Circles in space

Scientists in Australia have discovered a strange new phenomenon in deep space – “Odd Radio Circles” – that appear in radio telescope images as mysterious circles or rings.

A bright star next to a starry cloud.

A mystery solved? Fast Radio Burst detected within Milky Way

Fast Radio Bursts are very mysterious bursts of radio waves – perhaps just a thousandth of a second long – coming from all over the sky. This new discovery of one in our own galaxy is a stunner!

Black and white spiral and bright circles, with text annotations.

Mysterious fast radio burst repeats in 16-day rhythm

For the first time, a fast radio burst has been found to be repeating, in a regular 16-day cycle. The baffling detection from the CHIME radio telescope deepens the mystery of these bizarre intergalactic objects.

Epic cosmic explosion detected via faster-than-light particles

Space-based observatories detected a violent explosion in a galaxy billions of light-years away. It became the brightest source of high-energy cosmic gamma rays seen so far. Specialized Earth-based telescopes detected it via faster-than-light particles cascading through Earth’s atmosphere.

An earthly dish-type radio telescope aimed upward toward fast radio burst's home galaxy.

Astronomers pinpoint source of fast radio burst

“This is the big breakthrough that the field has been waiting for since astronomers discovered fast radio bursts in 2007,” one team member said.

Artist's illustration of a Fast Radio Burst.

A 2nd repeating radio burst from the depths of space

Of the more than 60 Fast Radio Bursts found so far, only one has ever been seen to repeat from the same source … until now.

Synchronized telescopes put limits on mystery bursts

A technological tango between 2 telescopes in the Australian outback has added an important piece to the puzzle of fast radio bursts.

Astronomers discover new, enigmatic fast radio burst

Fast radio bursts – aka FRBs – are brief, powerful, puzzling bursts of radio waves from deep space. Now astronomers have detected a new and even more unusual type of FRB.

Strange radio signals from nearby star

A 10-minute observation in May of nearby star Ross 128 yielded a peculiar radio signal. Further observations planned for Sunday night.

Home galaxy found for fast radio burst

In a breakthrough study, astronomers pinpointed the location in the sky of a fast radio burst. That let them determine its home galaxy, and improve their theories about its cause.

Cosmic radio burst caught in the act

Astronomers announced this week that – for the first time – they have observed a so-called ‘fast radio burst’ in real time.

starburst

Flashes in the sky: Cosmic radio bursts point to cataclysmic origins in the distant universe

They appear to have originated from billions of light-years away and have left scientists pondering what might have caused them.

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Possible explanation for mysterious radio flashes

Mysterious bright radio flashes that appear for only a brief moment on the sky and do not repeat could be the final farewell of a massive star collapsing into a black hole.

Reddish star with large flares all over it, and planet nearby.

Space weather in Proxima’s vicinity dims hopes of habitable worlds

Astronomers used radio waves to study conditions in the vicinity of Proxima Centauri, the nearest star to our sun. The results suggest Proxima’s 2 known planets are likely bathed in intense radiation from this star, casting doubt on the planets’ potential for life.

Glowing blue double-ended blast from a brilliant white star.

Hubble sees the brightest kilonova yet

Observations by the Hubble Space Telescope reveal intense infrared radiation from an unusual kilonova probably created by the collision of neutron stars.

Round segmented shape with starry band inside it, on black background.

Exoplanet-hunter TESS completes its primary mission

NASA’s 2nd planet-hunter, TESS, has spent 2 years surveying the sky for exoplanets orbiting distant stars. It has found over 2,000 exoplanets so far. TESS now moves into its extended mission phase.

How many ETs are in our galaxy? Ask the Alien Civilization Calculator

Researchers at Omni Calculator have created the Alien Civilization Calculator, a unique combination of two different methods of trying to determine how many advanced alien civilizations may exist in our galaxy.

A dish type radio telescope, at night, with a jagged line of signal from the stars reaching it.

New Exotica Catalog will help guide search for ET

“What if extraterrestrial intelligences are not like us, but are found in the frigid reaches of the outer solar system, the extreme gravity of neutron stars, the brilliant cores of active galaxies, or the hearts of the richest galaxy clusters?”

Has mystery of universe’s missing matter been solved?

Cosmologists have only been able to find half the matter that should exist in the universe. With the discovery of a new astronomical phenomenon and new telescopes, these researchers say they’ve just found the rest.

A white ball representing a star, with distorted-looking lines around it.

What is a neutron star?

Neutron stars are born in supernova explosions. They are stars with a couple of times our sun’s mass, squeezed into a sphere the size of an earthly city.

Giant black hole in galaxy M87.

Top 9 EarthSky stories of 2019

From the 1st landing on the moon’s far side to the 1st actual image of a black hole, here’s a quick roundup of 9 of the stories our readers enjoyed most in 2019.

The location of the neutron star at the core of the supernova 1987A remnant. Via Cardiff University.

Astronomers find ‘missing’ neutron star after 32 years

Thirty-two years ago, Supernova 1987A erupted in the nearby Large Magellanic Cloud. Astronomers using the ALMA radio telescope now say they’ve found the small, compact neutron star created in this mighty star explosion.

New telescope to ‘see inside’ hot Jupiter exoplanets

Exoplanets – worlds orbiting distant suns – are very, very far away. Astronomers are learning what some might look like, and what’s in their atmospheres. Soon – for the first time – a new telescope will be able to “see inside” some exoplanets.

Orange sphere with golden shoots.

Probing the magnetar at the center of our galaxy

A new study analyzes pulses of radio waves coming from a magnetar – a rotating, dense, dead star with a strong magnetic field – located near the supermassive black hole at the heart of the Milky Way.

What is space weather?

Activity on the sun’s surface creates the conditions known as space weather, that can, at its worst, damage Earth satellites and cause electrical blackouts.

Astronomers detect ghostly afterglow of cosmic explosion

For the 1st time, astronomers have detected the faint radio afterglow of a ghost explosion – a kind of cosmic sonic boom – possibly the result of a weird kind of gamma-ray burst.

A human-like extraterrestrial being with 4 fingers, waving.

Breakthrough Listen brings ET search to Africa

Yuri Milner’s Breakthrough Listen program said it has added the MeerKAT telescope in South Africa to its global effort to listen for signals from an alien intelligence.

NASA back in the search for alien technosignatures

After some prompting by Congress, NASA is again getting involved in SETI. Last week, it held a Technosignatures Workshop in Houston, exploring new ways scientists could seek intelligent aliens.

Astronomers see mystery explosion 200 million light-years away

Supernovae, or exploding stars, are relatively common. But now astronomers have observed a baffling new type of cosmic explosion, believed to be some 10 to 100 times brighter than an ordinary supernova.

From pulsar to magnetar? Or vice versa?

Since the 1970s, scientists have treated pulsars and magnetars as 2 distinct populations of objects. Now they think they might be stages in a single object’s evolution. A new NASA ScienceCast has more.

Swift’s 1000th gamma-ray burst

This flash of gamma rays came at 6:41 p.m. EDT on October 27. Later, astronomers learned it had traveled toward Earth for 12 billion years.

Breakthrough Listen not all about aliens

New SETI project will scan the skies for signs of alien communications, but might also unveil other secrets about the universe.

Supernova missing link in gamma-ray burst mystery

Why do some supernovae produce gamma-ray bursts, while others don’t? The answer may lie in the swirling disk – and powerful jets – that some supernovae leave behind.

A 360-degree view of Saturn’s auroras

Ultraviolet and infrared images from NASA’s Cassini spacecraft and Hubble Space Telescope show active and quiet auroras at Saturn’s north and south poles.

Predicting zebra migrations from space

Using satellite rain and vegetation data, researchers track when and where arid lands begin to green, and anticipate if zebras will make the trek.

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Three X-class flares in 24 hours

The sun emitted a third significant solar flare in under 24 hours on May 13, 2013 – the strongest X-class flare of the year so far.

To smash or to spear? The mantis shrimp dilemma

Spring-loaded arms help mantis shrimp deliver lightning fast blows, but some still prefer to take it slow.

Solar storm effects may give Earth a glancing blow on May 14

Effects of a coronal mass ejection from huge sunspot region 1476 will deliver a glancing blow to Earth today, while in route to Mars.