I am using a matellic object with a bright object behind me but they are far apart, how can I fix this?(first image: light source, second object without extra light source, thrid objects with extra light source, fourth material setup)
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Is it a setting I need to change or something?
Do you want the metallic object to be lit by the light source?
How far apart are they from each other?
The material set up, for which object is it?
How far are the additional objects from the light?
To get faster answers, be more specific in the initial post about what you are trying to achieve. This makes it easier for others to understand how they can help 
I want the blue spheres to be lit by the blackhole, which is ~4200000 units away. The objects themselves spawn in a point cloud with sides of 10000. The material setup is for the blue spheres. The Doppler intensity(light to the right of the black hole) should be illuminating the spheres, but it does not; however, a directional light will.
The light is probably to low and/or the distance is to far for an emissive material to lit something so far away.
Directional lights work in a different way that emissive materials and point lights.
Turning up the emissive strength stupidly high to test did nothing. How can I increase the distance at which it will light things?
I am actually not even sure that is doable with an emissive material.
Here are some sources about light settings.
I would maybe try to do it with a point light because they offer more control over the light, or if that doesn’t work, scale down everything so the distance isn’t as large.
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Good news! I was able to fix it(Same method on this thread: [UE5] Light cast by emissive materials disappears after a certain distance (Lumen + Hardware Raytracing) - #5 by Rawalanche) It seems to be that UE5 likes to cull emissive textures but changing there bounds can force it to not.
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