Science & Space Roundup: Top News of the Day (Oct 25)

Here are today’s most important updates from the realm of Science and Space. Birth of Worlds Depends on Cosmic Timing, Scientists Discover A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy and why the life and death of nearby stars are an important piece of the puzzle. Materials that go into making planets are formed inside of stars that have different lifetimes, said lead author. These findings help explain why older, rocky planets are less dense than younger planets like Earth, and also suggest that the necessary ingredients for life didn't arrive all at once. All the basic elements that make up planets like oxygen, silicon, iron, and nickel are formed inside stars. Planets are essentially built from the debris of dying stars, but the stars die on vastly different timelines which can influence the structure of forming planets as a ...

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