Scientists Identify the Oldest Material on Earth in a Meteorite, Stunned to Find It Predates the Sun

Scientists Identify the Oldest Material on Earth in a Meteorite, Stunned to Find It Predates the Sun Scientists analyzed stardust from a meteorite that fell to Earth 50 years ago which revealed the 5 to 7 billion-year-old stardust to be the oldest solid material on Earth. This dust was made of presolar grains (dust grains that predate our sun) and ...