The age of the universe is a subject of scientific inquiry and is based on our current understanding of cosmology. According to the prevailing scientific model known as the Big Bang theory, the universe is estimated to be approximately 13.8 billion years old. This age is determined through various observational data and theoretical calculations, such as the measurements of the cosmic microwave background radiation and the expansion rate of the universe.
It's important to note that the age of the universe is derived from within our current understanding of physics and cosmology. The concept of an "outside view" or a viewpoint completely detached from our frame of reference is hypothetical and currently beyond our scientific capabilities to explore.
The idea of a "block universe" is a philosophical and theoretical concept that suggests that all events in spacetime exist simultaneously, with past, present, and future events already existing in a timeless block. However, the block universe concept is still a topic of philosophical debate and is not universally accepted within the scientific community. The age of the universe, as determined by scientific observations and models, does not necessarily rely on or require the block universe concept.