the.com/cosmic archaeology
digging through starlight to find fossils of the universe's childhood.
means the practice of studying ancient light and matter to reconstruct how the early universe formed and evolved.
from coined by analogy to fieldwork archaeology, since telescopes act like shovels that dig through time instead of dirt, layer by layer of light.
light lagseeing far means seeing centuries or eons ago
oldest signalcosmic microwave background is 13.8 billion years old
tool of choicejwst reads infrared light like ancient scrolls