The Heavens Above site will give predictions of satellite passes based on location and time, and will predict brightness as well. For example, here's a guess at the 501 location for last night (you might have to set the date yourself). Looks like the SL-16 R/B satellite or the Resurs 01 rocket stage are good candidates; they're about the right time and direction. If you knew time, location, and/or direction more... Source: 12 months ago

Heavens-Above (multiple platforms, lists satellites). Source: over 2 years ago

Also worth noting: https://heavens-above.com/main.aspx But this has a much nicer UI/UX! The street view rendering is particularly impressive. - Source: Hacker News / about 3 years ago

I have seen planes where they look like just flashes of lights until you get into a really dark place and can see the lights that are always on. I think they fly at higher altitudes for faster, more efficient travel. There are a couple of ways to check into this, though. Heavens-Above tracks satellites and flightradar24 has a playback function for times going back a week. Source: about 3 years ago

Neal Agarwal (Neal.Fun) did something similar a while back with cool WebGL effects. https://neal.fun/size-of-space/. - Source: Hacker News / about 1 month ago

Https://neal.fun/size-of-space/ here's the link to the website where this video was taken from. Sucks that there is no credit. Since you're the top comment, it would be nice if you could put this link in your comment. Source: 12 months ago

A reminder of how big the sun is https://neal.fun/size-of-space/ which I am worried about linking in a second comment, but it really helps to understand how big the sun is. Source: about 1 year ago

What am I even meant to find that makes it worth it? Untouched inhabitable land? Do people realise how big space is? See here for comparison on how fucking big it is! Source: over 1 year ago

See it for yourself or more like this. Source: almost 2 years ago