Site icon THE FOREFRONT OF TECHNOLOGY

A supernova cosmic-dust factory was discovered in the middle of the Milky Way.

A supernova cosmic-dust factory was discovered in the middle of the Milky Way.

Researchers from Cornell University published in Science Express that an infrared telescope mounted onto a Boeing 747 saw evidence of a supernova-producing facility. This factory is responsible for the formation of planets such as the Earth, and even stars like the Sun. Ryan Lau, Cornell’s postdoctoral fellow for astronomy and lead author, stated: “Dust is important as it forms planets like the Sun and stars, so it is important to understand where it is coming from.” This false-color image shows contour lines that reveal Sagittarius East, a remnant of an old supernova. Image: Cornell University. Astronomers have wondered for years why galaxies that formed only 1 billion years ago had such a high amount of cosmic dust. Supernovae, which are the most powerful explosions in the Universe, contain enormous amounts of metallic-enriched material. This, in turn, contains key elements of dust such as carbon, iron, and silicon. The astrophysicists examined a 10,000-year-old supernova remnant near the center of the Milky Way called Sagittarius A East. Dr. Lay said that supernovas explode when their core materials expand, forming dust. This has been observed in many supernova remnants such as Cassiopeia A, SN 1987A and SNA. Artist’s impression of supernova. Image: Wikimedia. Dust can survive in turbulent supernova environments Scientists believe that the supernova’s turbulent environment will destroy the churning particles. Dr. Lau stated that there have not been direct observations of dust in the supernova environment. This is why scientists believe the churning dust will be destroyed by the turbulent supernova environment. This is the most extensive airborne astronomical observatory anywhere in the world. It is the largest airborne astronomical observatory in the world. However, there are no ground-based telescopes that can see far-infrared wavelengths. The journal’s Abstract stated that the results suggested that supernovae might be the predominant dust-producing mechanism in dense environments of early Universe galaxies. Dr. Lau was joined by co-authors Mark Morris, Zhiyuan LI, Terry Herter, Joe Adams, and Zhiyuan L. Li, all from UCLA. Citation: “Old Supernova Dust Factory revealed at the Galactic Center,” R. M. Lau and T. L. Herter. M. R. Morris. Z. Li., and J. D. Adams. Science. Science. DOI: 10. 1126/science.aaa2208.