This is more for my girlfriend than myself.
I’m trying to explain to her how the image of Stephans Quintet that the James Webb Telescope recently took, is what those galaxies looked 300 million years ago, as they are 300 million light years away.
I’m having a lot of trouble wording it in a way she can understand. She has never really researched astronomy like I have, and she doesn’t understand why I’m so excited about these images.
I’m hoping you guys could help!
In: 0
Imagine someone drops a letter off for you today. That letter came from the opposite side of your country, and took a week to get to you. Whatever that letter says is a week old. Whatever information you get from that letter, it tells you about the condition of the sender one week ago.
Light is really really *really* fast, but it still takes time. It just arrived to us *today*, but it left the stars millions of years ago. All the information that light carries comes from that time.
Latest Answers