this post was submitted on 18 Sep 2024
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The scale at which we build radio telescopes on the ground simply isn't possible in space.
Just to add, radio telescopes easily have diameters of several 10 to several 100 meters, you won't put that easily in space. And even if you do, maybe one, not tens of them. And these are often used in network as well for interferometry to have higher spatial resolution, so that would be gone as well.
Why can't we use the satellites for interferometry, too?
A couple of satellites can make a larger telescope than we could ever build on earth, and you avoid the natural interference as well as the the interference from other satellites (star link isn’t the only source of interference…).
Not easily, perhaps. But it's certainly possibly. We already have space technology for unfolding small packages into large sheets. Not to mention, you don't need a single 100m collection surface when you can accomplish similar things with many smaller surfaces spaced apart. See the Very Large Array.
Not with that attitude.
Or altitude.