A radio telescope within the Western Australian outback has captured a spectacular new view of the middle of the Milky Way galaxy. The picture from the Murchison Widefield Array (MWA) telescope reveals what our galaxy would appear like if human eyes may see radio waves.
The data for the analysis comes from the GaLactic and Extragalactic All-sky MWA survey, or GLEAM for brief. The survey has a decision of two arc minutes (about identical as the human eye), and it maps the sky using radio waves at frequencies between 72 and 231 MHz.
Utilizing the pictures, Dr. Hurley-Walker and her colleagues found the remnants of 27 large stars that exploded in supernovae on the finish of their lives. These stars would have been eight or extra occasions extra huge than our solar earlier than their dramatic destruction thousands of years in the past.
Younger and nearer supernova remnants, or these in very dense environments, are simple to identify, and 295 are already identified. Not like different devices, the MWA can discover these that are older, additional away, or in empty environments.
The Murchison Widefield Array telescope is a precursor to the world’s largest radio telescope, the Square Kilometre Array, which is because of being in-built Australia and South Africa from 2021. “The Murchison Widefield Array is perfect for finding these objects; however, it’s limited in its sensitivity and resolution,” Dr. Hurley-Walker stated. “The low-frequency a part of the SKA, which will be built on the same site as the MWA, can be thousands of times more sensitive and have a lot better resolution, so should discover the thousands of supernova remnants that formed within the last 100,000 years, even on the other aspect of the Milky Way.”