can we look into the past ?

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https://science.howstuffworks.com/telescope-see-through-time.htm

https://science.howstuffworks.com/telescope-see-through-time.htm
How can a telescope see through time? | HowStuffWorks
The telescope sees into the past because the light from distant objects takes time to reach us. The further away an object is, the longer it takes for its light to reach us. Therefore, when we look at distant objects, we are seeing them as they were in the past. Telescopes help us see time in a new way.

https://theconversation.com/when-you-look-up-how-far-back-in-time-do-you-see-101176

https://theconversation.com/when-you-look-up-how-far-back-in-time-do-you-see-101176
When you look up, how far back in time do you see? – The Conversation
Looking through a telescope, we can look even further into the past. A second back in time If you really want to look back in time, you need to look up. When we look at the Moon,…

https://www.universetoday.com / 119226 / how-far-back-are-we-looking-in-time

https://www.universetoday.com / 119226 / how-far-back-are-we-looking-in-time
How Far Back Are We Looking in Time? – Universe Today
March 5, 2015 by Fraser Cain How Far Back Are We Looking in Time? When we look out into space, we’re also looking back into time. Just how far back can we see? The Universe is a…

https://physics.stackexchange.com/questions/11940/if-you-view-the-earth-from-far-enough-away-can-you-observe-its-past

https://physics.stackexchange.com/questions/11940/if-you-view-the-earth-from-far-enough-away-can-you-observe-its-past
If you view the Earth from far enough away can you observe its past?
Yes, you can. And you do not even need to leave the Earth to do it. You are always viewing things in the past, just as you are always hearing things in the past. If you see someone do something, who is 30 meters away, you are seeing what happened (30 m)/(3 ×108 m/s) = 0.1μs ( 30 m) / ( 3 × 10 8 m / s) = 0.1 μ s in the .

https://www.npr.org/2018/06/14/607757718/looking-back-reflecting-on-the-past-to-understand-the-present

https://www.npr.org/2018/06/14/607757718/looking-back-reflecting-on-the-past-to-understand-the-present
Looking Back: Reflecting On The Past To Understand The Present
15 juin 2018This week, we explore two emotions that pull us into the past: regret and nostalgia. How can we make these feelings work for us, and what can we learn from them? By some estimates,…

https://physics.stackexchange.com/questions/162011/will-we-ever-be-able-to-view-the-past

https://physics.stackexchange.com/questions/162011/will-we-ever-be-able-to-view-the-past
Will we ever be able to view the past? – Physics Stack Exchange
8 Answers Sorted by: 41 If you have a mirror placed 100 lightyears from earth what you do now will be reflected in the mirror 100 years later. Another 100 years later the reflection reaches you. By looking into this mirror you could see 200 years into the past.

https://www.livescience.com/james-webb-telescope-see-the-past

https://www.livescience.com/james-webb-telescope-see-the-past
Can the James Webb Telescope see the past? | Live Science
19 sept. 2022Besides looking farther across space than any observatory before it, the James Webb Space Telescope has another trick up its mirrors: It can look further back in time than any other telescope,…

https://phys.org/news/2018-12-when-you-look-up-how.html

https://phys.org/news/2018-12-when-you-look-up-how.html
When you look up, how far back in time do you see? – Phys.org
We can see seconds, minutes, hours and years into the past with our own eyes. Looking through a telescope, we can look even further into the past. A second back in time

https://astronomy.stackexchange.com/questions/1443/by-putting-a-mirror-in-space-would-we-be-able-to-see-into-the-past

https://astronomy.stackexchange.com/questions/1443/by-putting-a-mirror-in-space-would-we-be-able-to-see-into-the-past
By putting a mirror in space, would we be able to see into the past?
Yes, we always look into the past, when looking somewhere. There is for instance a mirror on the moon. When sending a laser beam to that mirror, we can detect the reflected light about 2.5 seconds later. This could be interpreted as looking 2.5 seconds into the past, when the laser has been fired. Details here.

https://phys.org/news/2015-03-how-far-back-are-we.html

https://phys.org/news/2015-03-how-far-back-are-we.html
How far back are we looking in time? – Phys.org
You’re always seeing your loved ones 3.336 nanoseconds into the past. When you look around you, you’re not seeing the world as it is, you’re seeing the world as it was, a fraction of a second… lesoutrali bot