gigayear

gigayear englanniksi

1. A billion years, a thousand thousand thousand years.

(syn)

2. (quote-text)

3. {{quote-journal|en|year=1982|author=A. M. Clarke|title=Carboniferous Sedimentary Basins of Northern Europe and the Nature of Emergence around the Margins of the Mesozoic Rifted Sedimentary Basin of the North Sea|journal=Philosophical Transactions of the Royal Society of London|section=305(1489), pp207-208

4. {{quote-book|en|year=1993|author=Rosemary F.G. Wyse|chapter=The physical interpretation of morphology|editors=J. Michael Shull; Harley A. Thronson, Jr.|title=The Environment and Evolution of Galaxies|page=308

5. 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.

6. {{quote-text|en|year=2007|author=Linda Siobhan Sparke; John S. Gallagher, III|title=Galaxies in the Universe|page=343