Remains of water-filled asteroid found around white dwarf

10/10/2013 |

A white dwarf about 170 light-years from Earth holds evidence of a water-bearing asteroid that could explain how the Earth got its oceans, according to research published in the journal Science. "We've got the same kind of object which probably delivered Earth's oceans, and we found this around another star," said Jay Farihi of the University of Cambridge in England, who led the research team. Scientists used the Cosmic Origins Spectrograph on the Hubble Space Telescope to study the dwindling star, finding several heavy elements that don't usually exist on a white dwarf, as well as an excess of oxygen, theorizing that the remnants of a water-filled asteroid landed there.

View Full Article in:

Published in Brief:

SmartBrief Job Listings for Education

Job Title Company Location
Headmaster (Head of School)
Colegio Colombo Británico Cali
K-12 Teachers Needed at Int’l Schools
The International Educator
Multiple Locations
National Account Manager
The Teachers' Curriculum Institute (TCI)
Nationwide, SL_Nationwide
Dean, School of Education
Syracuse University
Syracuse, NY
Assistant Professor of Education with Math and/or Science (STEM) Emphasis