Suggestion: Solar Flare Upgrade
I had an idea that might be a cool addition to Rebellion or a future version. As you know, there is a meteor control upgrade for star bases. I haven't played with it yet, but I love the concept. It got me thinking - what about a solar flare upgrade that's only available to star bases around a star. It could somehow produce a solar flare or harness one to cause damage and maybe an EMP effect to nearby hostiles. Maybe it would also affect the star base and have a long cooldown. It would be a great emergency tactic to lock an attacking fleet down for a bit while reinforcements are on the way. Just a random thought.