Using the Hubble Space Telescope, astronomers have made findings that could redefine what we know about the evolution of galaxies
This allowed them to trace the total quantity of metals in the dust and compare it to previously obtained totals. What they discovered is stars in some areas had as little as 10 percent of the heavy elements our star, the Sun, has.
When stars reach the end of their lifetimes, they explode in violent and powerful supernovas. This spreads heavy elements through galaxies, which clumps in cold regions. Asand helium in these cool dense regions eventually condense to create stars, these elements are added to the mix. The team was led by Annalisa De Cia of the UNIGE Faculty of Science. She said in a press release:"Initially, when the Milky Way was formed, more than 10 billion years ago, it had no metals. Then the stars gradually enriched the environment with the metals they produced."vast 105,700 light-year diameter from its central bulge of stars to its spiral arms, where Earth and its solar system are located.
The amount of metals found in the Sun's atmosphere, known as the solar metallicity, was believed to be common to stars, gas clouds and other bodies, across the Milky Way. This solar metallicity could, therefore, be used as a measure of chemical abundance in our galaxy. This new research suggests that may not be the case after all. Stars and planets could be formed from gases with radically different orA stunning image showing the Milky Way's galactic center over Earth. A new study reveals gas and dust in out galaxy may be less evenly distributed than previously believed.
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