Introductory Astronomy: Observable Universe vs. Entire Universe

Video that discusses the difference between our Observable Universe and the Entire Universe.

• #
• #astronomy
• #introductory_astronomy
• #college_astronomy
• #lecture_tutorial
• #lecture_tutorials
• #cosmology
• #expansion_of_the_universe
• #age_of_the_universe
• #space
• #spacetime
• #observable_universe
• #cosmic_horizon
• #speed_of_light