Categorized In: Astronomy
Source: How do scientists measure the size of the universe? » Programas de Radio | Cielo y Tierra | www.cieloytierra.org
Description: astronomers don't know if it's endless. Every era has a "model" of the universe, a construction based on observation and theory about what the universe is like. According to current models, whether our universe is endless depends on what's called its "geo
Nov 07, 03:43pm