There is the matter of space debris, which is already a problem. If you're going to attack satellites to disable them you want to capture them in a decaying orbit.
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I suspect in order to stay focused on such distances you'd need extremely flat mirrors. Like, telescope grade stuff.
I doubt the mirrors they have is even within an order of magnitude flat enough.
You might even need adaptive mirrors to deal with atmospheric distortion. Also, they would have to move relatively quickly and very precisely (read: an impossible combination) to track satellites in low orbit. Plus, you could only hit satellites that crossed overhead at a relatively high angle.
But yeah, one solar tower plant did a stunt where they reflected an image made of sunlight at the ISS and an astronaut took a picture. They didn't melt.
You damn scientists and your sciencing.
Satellites be zoomin, it would be hard to hit one for more than a split second. But I'm definitely down to try!
Because of how far it is I'm guessing they could move the focal point very fast too with just the slightest of movements in the mirrors.
I imagine the precision needed for that is lacking in a solar mirror motor.
Small satellite that's at least 100km away
Those are designed to focus on a large, stationary, object not far away, not a small hypersonic object very very far away.
Someone's been drinking their government supplied fluoride tainted tap water, you're thinking like one of them. Don't believe The Man's lies!
thats what they want you to think
If its a optical image satellite, it probably doesnt take much to burn on the camera if it's shutter is open.
… for now!
Who do you think you are? Archimedes?