Pebble is evidence of comet strike 28 million years ago, researcher says

10/9/2013 | International Business Times

Evidence of a comet that struck the Earth about 28 million years ago in what is now Egypt has been found in a shiny black pebble, according to a study published in Earth and Planetary Science Letters. Scientists analyzed the pebble, found years ago by an Egyptian geologist within silica glass, and determined the pebble was a remnant of a comet, not a meteorite. "Comets always visit our skies -- they're these dirty snowballs of ice mixed with dust -- but never before in history has material from a comet ever been found on Earth," said David Block of Wits University in Johannesburg, South Africa.

View Full Article in:

International Business Times

Published in Brief:

SmartBrief Job Listings for Education

Job Title Company Location
Math Specialist
PCG Education
Richmond, VA
Data Coach - Literacy
Remote, MS
K-12 Teachers Needed at Int’l Schools
The International Educator
Multiple Locations
Advocate Marketing Manager
San Mateo, CA
Instructional Design Specialist
Insight Education Group
Los Angeles, CA