Light seconds, light years, light centuries: How to measure extreme distances - Yuan-Sen Ting

How Long Does It Take To Travel 1 Light Year | Science Of Space

PARSECS, Light Years, or AU? (Astronomy)

Scientists Discover a HUGE Black Hole 1500 Light-Years From Earth!

Let's feel the distance of 2.5 million light-years! /Andromeda Galaxy/Reducing 1 light year to 10 cm

Capella is 42.2 light-years from Earth. for me is not that far, 1500 to 2000 kilometer max

How to travel 10 Light Years in a week!! Meet the Enzmann Echolance!

Light's Unending Journey Across the Universe

Observable Universe VS Actual Universe

Thousands of Stars Crammed in 7 Light Years. The Westerlund 1 Super Star Cluster

What is a Light Year?

Size and Scale | Episode 7: A Practical Guide to the Cosmos

What If You Traveled One Billion Years Into the Future?

Light Is A Time Machine! | Astronomic

Journey - 2.5 Million Light Years Away from The Earth

Understanding Nebula in space in just 5 minutes

Want to hear Real sounds of space 240 million light-years away?

Earth Evolution (4.5 billion ago to 100023 then) Earth's devolopment

Zoom 100 million light years from earth 😲

Record breaker! Closest black hole to Earth is just 1500 light years away