![Can someone explain how a telescope can “see back in time”? I understand the concept of reading infrared light, and that light travels, so is it that the light it will be Can someone explain how a telescope can “see back in time”? I understand the concept of reading infrared light, and that light travels, so is it that the light it will be](https://external-preview.redd.it/CKUxHzk8N1Y7bAfQ303Xlx09EC04hK3dBt_6om8f6Go.jpg?width=640&crop=smart&auto=webp&s=766f255eba182b0cec618216f63576d737c0c7a3)
Can someone explain how a telescope can “see back in time”? I understand the concept of reading infrared light, and that light travels, so is it that the light it will be
![NASA's James Webb Space Telescope has reached its destination, 1.5 million km from Earth. Here's what happens next NASA's James Webb Space Telescope has reached its destination, 1.5 million km from Earth. Here's what happens next](https://images.theconversation.com/files/441927/original/file-20220121-19-fe2u9u.png?ixlib=rb-1.1.0&q=45&auto=format&w=1000&fit=clip)
NASA's James Webb Space Telescope has reached its destination, 1.5 million km from Earth. Here's what happens next
![The most powerful space telescope ever built will look back in time to the Dark Ages of the universe The most powerful space telescope ever built will look back in time to the Dark Ages of the universe](https://svs.gsfc.nasa.gov/vis/a030000/a030900/a030946/hudf-hst-6200x6200_print.jpg)
The most powerful space telescope ever built will look back in time to the Dark Ages of the universe
![NASA's James Webb Space Telescope launches, will open a new window on the cosmos — if everything goes just right - Washington Post NASA's James Webb Space Telescope launches, will open a new window on the cosmos — if everything goes just right - Washington Post](https://www.washingtonpost.com/wp-stat/graphics/ai2html/science-telescope/66CSC3UVQNDV7O6DRXXACR46EU/2300-1220HowFarItCanSee.jpg?c=1640098827246)