Glimpse Into The Cosmic Dawn
MAR 28, 2013
Astronomers reveal most distant galaxy yet seen by humankind.
Glimpse Into The Cosmic Dawn
Get Inside the Science:
UA Astronomers Glimpse Galaxies Near Cosmic Dawn
Brant Robertson, University of Arizona
Inside Science Buzzwords:
- Galaxy - A system of stars, star remains, gas and dust; also believed to contain significant quantities of invisible “dark” matter, which does not radiate light.
- Light year - The distance that light travels in one Earth year, specifically a “Julian calendar year,” defined as 365.25 days.
- Infrared - An invisible form of electromagnetic radiation just beyond the visible light spectrum that is usually felt as heat.
