• DMCA
  • Disclaimer
  • Privacy Policy
  • Cookie Privacy Policy
  • Terms and Conditions
  • Contact us
Inter Space Sky Way
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy
No Result
View All Result
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy
No Result
View All Result
Inter Space Sky Way
No Result
View All Result
Home Space

Astronomers baffled by weird ‘zombie star’ that should not exist

January 16, 2025
in Space
60 2
0
Astronomers baffled by weird ‘zombie star’ that should not exist
74
SHARES
1.2k
VIEWS
Share on FacebookShare on Twitter


You might also like

Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae

Astronomers uncover repeating gamma-ray burst ‘in contrast to something we now have ever witnessed earlier than’ (video)

One extremophile eats Martian filth, survives in area and may create oxygen for colonies

Artist’s impression of ASKAP J1839-0756, a neutron star emitting beams of radio waves from its magnetic poles

James Josephides

A collapsed star round 13,000 mild years away is so uncommon that the researchers who’ve found it say it shouldn’t exist.

It was first detected in January 2024 by the ASKAP radio telescope in Western Australia and is more likely to be a type of pulsar that has by no means been seen earlier than.

When supermassive stars attain the tip of their lives and explode in a supernova, the remnants type a super-dense object referred to as a neutron star. Pulsars are neutron stars that spin quickly, emitting radio waves from their magnetic poles as they rotate. Most pulsars spin at speeds of multiple revolution per second and we obtain a pulse on the similar frequency, every time a radio beam factors in direction of us.

However lately, astronomers have begun to seek out compact objects that emit pulses of radio waves at a a lot slower fee. This has baffled scientists, who had thought that radio wave flashes ought to stop when the rotation slows to greater than a minute for every spin.

These slow-spinning objects are often known as long-period radio transients. Final yr, a staff led by Manisha Caleb on the College of Sydney, Australia, introduced the invention of a transient with a interval of 54 minutes.

Now, Caleb and her colleagues say a brand new object they discovered a yr in the past, named ASKAP J1839-0756, is rotating at a brand new file gradual tempo of 6.45 hours per rotation.

Additionally it is the primary transient that has ever been found with an interpulse: a weaker pulse midway between the principle pulses, coming from the other magnetic pole.

At first, the staff thought that ASKAP J1839-0756 may be a white dwarf, a smaller star like our solar that has died. “However we’ve by no means seen an remoted white dwarf emitting radio pulses and our calculation means that it’s too large to be an remoted white dwarf primarily based on the properties of the heart beat,” says Joshua Lee, a staff member on the College of Sydney.

Subsequent, the staff thought it may be a magnetar, a neutron star with an immense magnetic subject – as a lot as 10 trillion occasions extra highly effective than the strongest MRI machines on Earth.

A magnetar with an analogous rotation interval of 6.67 hours has been discovered earlier than, however, to this point, it has solely emitted X-rays, not radio waves.

Caleb says that if the star is an remoted magnetar, it will be the primary that emits within the radio wave frequency with a interval that’s this gradual.

“This new object is totally rewriting what we thought we knew about radio emission mechanisms from neutron stars of the final 60 years,” says Caleb. “It’s positively one of many weirdest objects in current occasions, as a result of we didn’t assume these items existed. However now we’re discovering them. If it’s a magnetar, it’s actually distinctive amongst the neutron star inhabitants.”

She says the concept that pulsars stop emitting radio waves once they spin too slowly must be reconsidered.

“We’re seeing objects lately which appear to cross this demise line, however they’re nonetheless emitting within the radio [frequency],” says Caleb. “So that they’re like zombie stars the place you don’t count on them to be alive, however they’re nonetheless alive, and so they’re pulsing away.”

Matters:



Source link

Tags: AstronomersbaffledbizarreexistShouldntStarZombie
Share30Tweet19

Recommended For You

Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae

by Chato80
September 10, 2025
0
Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae

Jupiter is well-known for the huge aurorae that happen close to the planet's polar areas, the brightest and strongest within the Photo voltaic System. Very similar to aurora...

Read more

Astronomers uncover repeating gamma-ray burst ‘in contrast to something we now have ever witnessed earlier than’ (video)

by Chato80
September 10, 2025
0
Astronomers uncover repeating gamma-ray burst ‘in contrast to something we now have ever witnessed earlier than’ (video)

Astronomers have noticed a cosmic explosion of high-energy gamma-rays in contrast to any ever seen earlier than. The gamma-ray burst (GRB) designated GRB 250702B set itself other than...

Read more

One extremophile eats Martian filth, survives in area and may create oxygen for colonies

by Chato80
September 9, 2025
0
One extremophile eats Martian filth, survives in area and may create oxygen for colonies

EXPOSE flight {hardware} on the surface of the ISS with dried Chroococcidiopsis uncovered. Credit score: Roscosmos/ESA Extremophiles are a favourite software of astrobiologists. However not solely are they...

Read more

Ionic Liquids Might Kind Naturally And Exchange Water As A Organic Solvent

by Chato80
September 9, 2025
0
Ionic Liquids Might Kind Naturally And Exchange Water As A Organic Solvent

Water is vital to life as we all know it. However that doesn’t imply its key to life all over the place. Even supposing the flexibility to accommodate...

Read more

Comet C/2025 A6 (Lemmon) is approaching Earth  — will it turn into seen to the bare eye?

by Chato80
September 9, 2025
0
Comet C/2025 A6 (Lemmon) is approaching Earth  — will it turn into seen to the bare eye?

Within the coming weeks, skywatchers can have a possibility to view a brand new comet that's at the moment inbound on its method towards the solar. This new...

Read more
Next Post
Starship Flight 7: Block 2 Ship set to fly for the primary time

Starship Flight 7: Block 2 Ship set to fly for the primary time

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Browse by Category

  • Alien
  • Astronomy
  • NASA
  • Space
  • Space Flight
  • UFO

Recent News

The Murchison Widefield Array Simply Doubled In Measurement – What May It Discover Now?

The Murchison Widefield Array Simply Doubled In Measurement – What May It Discover Now?

September 10, 2025
The delivery of Yevgeny Khrunov

The delivery of Yevgeny Khrunov

September 10, 2025
Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae

Juno Detects Callisto’s “Footprints” in Jupiter’s Aurorae

September 10, 2025
The bizarre ringed dwarf planet Quaoar could have an additional moon, astronomers uncover

The bizarre ringed dwarf planet Quaoar could have an additional moon, astronomers uncover

September 10, 2025
Footage of U.S. drone hits UFO with hellfire missile

Footage of U.S. drone hits UFO with hellfire missile

September 10, 2025
SpaceX’s $17 Billion Spectrum Coup: Securing Starlink’s Direct-to-Cell Revolution

SpaceX’s $17 Billion Spectrum Coup: Securing Starlink’s Direct-to-Cell Revolution

September 10, 2025
  • DMCA
  • Disclaimer
  • Privacy Policy
  • Cookie Privacy Policy
  • Terms and Conditions
  • Contact us
INTER SPACE SKY WAY

Copyright © 2023 Inter Space Sky Way.
Inter Space Sky Way is not responsible for the content of external sites.

No Result
View All Result
  • Home
  • Alien
  • UFO
  • Space
  • NASA
  • Space Flight
  • Astronomy

Copyright © 2023 Inter Space Sky Way.
Inter Space Sky Way is not responsible for the content of external sites.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In