The speed of light is as frustrating as it is fascinating. The speed of light in a vacuum is the fastest thing we can measure at 300,000km per second, although in a vast and ever expanding universe, it is painfully slow. The universe currently measures 45 billion light years in all directions of observation. So … Continue reading The Speed of Light – So Agonisingly Slow.
Speed of Light Series Part 2 – Measuring Distance Using Light.
Credit : Design Stacks Part 1 focused on the actual speed of light in terms of a figure, 186,282 miles per second. Think about that for a second! In that second, light has travelled almost 2/3 of the way to the moon! Outrageously quick but not infinate. Our Sun is 8 light minutes away from … Continue reading Speed of Light Series Part 2 – Measuring Distance Using Light.