All Images
Research News
New research provides evidence of strong early magnetic field around Earth
Researchers dated and analyzed zircon crystals. A crystal is seen here within the 'O' on the dime.
Credit: University of Rochester/John Tarduno
Download the high-resolution JPG version of the image. (54.5 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.