This web page was created programmatically, to learn the article in its unique location you may go to the hyperlink bellow:
https://www.space.com/astronomy/explore-the-milky-way-like-never-before-in-this-stunning-new-color-map-image
and if you wish to take away this text from our web site please contact us
Astronomers have unveiled the biggest low-frequency radio coloration picture of the Milky Way ever created, providing a sprawling cosmic panorama that reveals supernova remnants, stellar nurseries, pulsars and the intricate glow of gasoline and mud weaving by our galaxy’s coronary heart.
Built from knowledge collected by the Murchison Widefield Array (MWA) telescope in Western Australia, the picture combines observations from two large surveys — often called GaLactic and Extragalactic All-sky MWA (GLEAM) and GLEAM-X (GLEAM eXtended) — to supply a portrait that’s twice as sharp, 10 occasions extra delicate and twice as huge as its predecessor launched in 2019, in keeping with a statement from the International Centre of Radio Astronomy Research (ICRAR).
“This vibrant image delivers an unparalleled perspective of our galaxy at low radio frequencies,” Silvia Mantovanini, a PhD pupil from ICRAR’s Curtin University staff and lead creator of the examine, stated within the assertion. “It provides valuable insights into the evolution of stars, including their formation in various regions of the galaxy, how they interact with other celestial objects and ultimately their demise.”
Over 18 months, the staff used about a million computing hours on the Pawsey Supercomputing Research Centre in Australia to course of and merge knowledge from the 2 surveys into the ultimate picture, cataloging almost 100,000 radio sources.
The map — a full, zoomable version of which you can find here — captures a variety of radio wavelengths, or “colors” of radio mild throughout the Southern Galactic Plane, providing an unprecedented have a look at the Milky Way‘s hidden construction. By observing the galaxy in low-frequency radio mild, astronomers can peer by the dense clouds of mud and gasoline that block seen wavelengths, exposing supernova remnants — the immense, increasing shells of gasoline and radiation that mark the explosive dying of a star — and areas of ionized gasoline the place new ones are being born.
“You can clearly identify remnants of exploded stars, represented by large red circles,” Mantovanini stated within the assertion. “The smaller blue regions indicate stellar nurseries where new stars are actively forming.”
This expansive view of the Milky Way may shed new mild on pulsars — quickly spinning neutron stars whose highly effective radio pulses and unpredictable habits stay a thriller, the researchers stated.
The newly launched picture is absolutely interactive. Viewers can pan throughout the brilliant horizontal band charting the star-packed Southern Galactic Plane and zoom in on the Milky Way’s turbulent stellar exercise, glowing nebulae, compact pulsars and even distant background galaxies past our personal.
“This low-frequency image allows us to unveil large astrophysical structures in our galaxy that are difficult to image at higher frequencies,” Natasha Hurley-Walker, affiliate professor at Curtin University and co-author of the examine, stated within the assertion. “No low-frequency radio image of the entire Southern Galactic Plane has been published before, making this an exciting milestone in astronomy.”
This map units the stage for the Square Kilometre Array Observatory’s SKA‑Low telescope — the world’s largest low-frequency radio array — which, after it is accomplished inside the subsequent decade, will probe the Milky Way and past with unprecedented sensitivity and element.
Their findings had been published Oct. 28 within the Publications of the Astronomical Society of Australia.
This web page was created programmatically, to learn the article in its unique location you may go to the hyperlink bellow:
https://www.space.com/astronomy/explore-the-milky-way-like-never-before-in-this-stunning-new-color-map-image
and if you wish to take away this text from our web site please contact us
