Good ol magnesium shit-rate
They shut it down last September. It’s nsfw spinoff redgifs is still up.
Mercury would be a denser propellant than xenon/other Nobel gasses used for ion thrusters in orbit. There’s been a ton of other insane fuel types proposed over the years which thankfully haven’t been used (although a lot of rockets have and still use toxic hypergolic fuels like hydrazine)
Good vid going over some of these fuels: https://youtu.be/_wLk2j7_KB0
At least for us amateurs satellite trails get completely rejected out during image stacking. They’ll definitely be more of a problem for professional observatories, especially large survey scopes like Vera Rubin
Refreshing the ublock caches work most of the time however if it doesn’t, clicking the share button and then ‘embed’ just brings up a regular non-blocked video player
They actually just got rid of the stars, now you just tip people
https://old.reddit.com/r/reddit/comments/16ryhv9/celebrating_great_content_is_as_good_as_gold/
Oh no! Where will I go to see OF spam bots now???