The dust has been piling up in Earth's attic for billions of years, and now some scientists want to sift through the accumulation to see if they can find evidence of the planet's earliest life. "It is up there. I don't know how common it is, but somewhere up there is at least one fist-sized chunk of rock with Earth's name on it," said John Armstrong, a University of Washington doctoral student in astronomy and astrobiology. "It would probably take hundreds of years of human habitation to find it and recognize it, but it's there."
The above story is based on materials provided by University Of Washington. Note: Materials may be edited for content and length.
Cite This Page: