5 awesome science discoveries you may have missed in 2020
5 awesome science discoveries you may have missed in 2020 1. Oldest material found on Earth is more ancient than our solar system Billions of years before our sun winked into existence, a dying star flung dust out into space. Now a bit of that stardust, trapped in a meteorite that collided with Earth, was dated as the oldest material yet found on our planet. The dust coalesced with other rocks inside what would become the Murchison meteorite , which lit up skies over Australia in September 1969 as it careened to the surface of our planet. A fresh analysis of these ancient rocks found grains of stardust that are between 4.6 billion years and roughly 7 billion years old. Scientists estimate that these early dust pieces lurk only in about five percen t of meteorites, but that hasn’t discouraged them from continuing to hunt for these clues to our galaxy’s history. An illustration shows what Tyrannosaurus rex hatchlings may have looked like. The...