gigayear

Noun

 * 1) A billion years, a thousand thousand thousand years.
 * 2) * 2002, William Harris of McMaster University in Hamilton, Canada. (quoted on Astronomy.com)
 * It's hard to tell the difference between a 5-gigayear, 8-gigayear, and 10-gigayear cluster for such a sparse object as this unless you've got very high-quality photometry.
 * 1) * 2002, William Harris of McMaster University in Hamilton, Canada. (quoted on Astronomy.com)
 * It's hard to tell the difference between a 5-gigayear, 8-gigayear, and 10-gigayear cluster for such a sparse object as this unless you've got very high-quality photometry.
 * 1) * 2002, William Harris of McMaster University in Hamilton, Canada. (quoted on Astronomy.com)
 * It's hard to tell the difference between a 5-gigayear, 8-gigayear, and 10-gigayear cluster for such a sparse object as this unless you've got very high-quality photometry.

Translations

 * Dutch: gigajaar
 * Finnish: gigavuosi
 * French: giga année