At once solid and translucent, these structures also establish a realm in shadow — a threshold, perhaps — between viewer and distant light source. (vandorenwaxter.com)
To precisely test how these devices transmitted distant light, the group will use adaptive optics — the technology behind today's large telescopes. (sciencemag.org)
Distant Light of the Past Studying the universe's past presents a challenge similar to studying the Earth of long ago: Over time, things change. (discovermagazine.com)