Astronomers international team has employed various satellites and telescopes for performing multiwavelength observations of a supernova remnant known as SNR J0450.4-7050. The result that scientists got after an observational campaign, published on June 18, 2025, on the preprint server arXiv, gained new insights into the properties of this remnant, and observed that it is much larger than thought in the past. Supernova remnants (SNRs) are expanded structures resulting from the explosion of a supernova. It usually lasts for several hundred thousand years before the time it disperses into the interstellar medium.<\/p>\n
Multiwavelength Observations Reveal New Details of SNR J0450.4-7050<\/h2>\n
As per the study<\/a> by NASA<\/a>, observations by the scientists indicate that SNRs contain the ejected expansion of material from the explosion and other interstellar material swept by the passage of the shockwave from the star that exploded. SNR studies beyond the Milky Way<\/a> are important for comprehending the feedback in different evolutionary phases and gaining valuable insights into the local ISM. The Large Magellanic Cloud<\/a> is the galaxy that has its SNR population explored in depth.<\/p>\n The recent observations reveal that SNR J0450.4-7050, a large supernova remnant in the LMC having physical dimensions of 332 by 244 light years, is estimated to have the remnants of around 45,000 years old. Scientists named it Veliki, which means large in Serbian. It also showcases the complex filamentary morphology with different inner and outer shell structures.<\/p>\n An astronomer’s group led by Zachary J. Smeaton decided to take a closer observation of SNR J0450.4\u22127050 by the Australian Square Kilometre Array Pathfinder and MeerKAT radio telescope. The SNR showed a high radial surface brightness with one of the lowest average radio spectral indices, with similar remnants.<\/p>\n These unusual features, according to the scientists, give the prediction that Veliki is mainly a radiative SNR with a high shock compression ratio. This states about the non-thermal spectrum and higher surface brightness and emissions. Further observations of the surrounding environment are needed to confirm the hypothesis with an understanding of the remnants’ nature in a better way.<\/p>\n \u00a0<\/p>\n<\/div>\n \n For the latest tech news<\/a> and reviews<\/a>, follow Gadgets 360 on X<\/a>, Facebook<\/a>, WhatsApp<\/a>, Threads<\/a> and Google News<\/a>. For the latest videos on gadgets and tech, subscribe to our YouTube channel<\/a>. If you want to know everything about top influencers, follow our in-house Who’sThat360<\/a> on Instagram<\/a> and YouTube<\/a>. <\/p>\nImportance of Studying Supernova Remnants Beyond the Milky Way<\/h2>\n
Discovery of Veliki: A Large, Aged Remnant in the Large Magellanic Cloud<\/h2>\n
Unusual Radio Properties Suggest Veliki is a Fully Radiative SNR<\/h2>\n
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