when you have to click once, means they have been gathering all your actions up to that point, and for sure you are human. If you get asked to click images, means they don’t have enough information yet, or you failed some security step (wrong password) and the site told captcha to be extra sure
unless the meteor is a rogue moon, the mass gained/lost is negligible compared to other particles interacting with the atmosphere or radiating (in and out), processes which are constantly happening.
for example, just the sun contributes some 200 tons every year (We also radiate out about the same mass that comes in). in 7.5 million years, that equals the asteroid that killed the dinossaurs (an event which happens way less often). So yeah, maybe the mass changes for a while, but even then, the dinossaur-killing asteroid is 0.000000000001% of earth’s mass… If we had one meteor like that everyday for a billion years, we would get some 20% extra mass.
(rough numbers I calculated just know, double check please)
Access to my main email account (outlook) is currently blocked because someone decided to try a password from some earlier leak and locked it. It can only be unlocked with SMS MFA, which I can’t use because I’m travelling abroad. There is no other way to do it. The other option they give you a form that only works if you don’t have MFA set up (it says so on the faq). I even asked someone to fill the form from my home computer so the location data matches earlier accesses, but didn’t work. You also can’t contact support without logging in. If I had lost/changed that phone number for any reason, I would lose access forever. Luckily I will be back home soon.