ESA - Galaxy full of cosmic lighthouses
I've heard that if galaxies millions of light years away were to see the Earth, then they would not see the present, they would see the past. How is this possible? -
What Is a Light-Year? | NASA Space Place – NASA Science for Kids
How far is a light-year? | Astronomy Essentials | EarthSky
Record-Breaking Explosion by Black Hole Spotted 390 Million Light Years from Earth - Space Coast Daily
Are the images from distant galaxies that are light years away also light years old? - Quora
The Universe within 200 Million Light Years
Second-Closest Supermassive Black Hole May Be Lurking in a Nearby Dwarf Galaxy About 1 Million Light-Years Away | Science Times
When I look at a star 1 million light years away, am I seeing the light from that star 1 million years ago, or am I seeing the star itself at that
![Request] Considering that the Andromeda galaxy is 2.537 million light years away and has about 1 trillion stars, is this correct? it seems too big to me. : r/theydidthemath](https://preview.redd.it/dlicer5zdvl21.png?auto=webp&s=de4a9159e6fe922ccfe5e5d40aaf2135f525ab79 "Request] Considering that the Andromeda galaxy is 2.537 million light years away and has about 1 trillion stars, is this correct? it seems too big to me. : r/theydidthemath")
Request] Considering that the Andromeda galaxy is 2.537 million light years away and has about 1 trillion stars, is this correct? it seems too big to me. : r/theydidthemath
Light-year - Wikipedia
Ask Ethan: How Can We See 46.1 Billion Light-Years Away In A 13.8 Billion Year Old Universe?
What Is a Light-Year? | NASA Space Place – NASA Science for Kids
How far is a light-year? | Astronomy Essentials | EarthSky
Mysterious signal detected in galaxy 240 million light years away from earth - YouTube
How can a galaxy be over 27 billion light-years from Earth if the universe is only about 13 billion years old? | Astronomy.com
INCREDIBLE picture of a galaxy 70 million light years away
If telescopes can see things that are millions of light years away, why can't we see things 10,000 light years away in super high resolution? - Quora
What Is a Light-Year? | NASA Space Place – NASA Science for Kids
Stare into the eye of this spiral galaxy 48 million lightyears away | NewsNation
Most Distant Star Ever Seen Is 9 Billion Light-Years Away | Live Science
New photos show Phantom Galaxy, around 32 million light-years away | DC News Now
