SEARLE: Icarus. ICARUS [OVER COMMUNICATOR]: Yes, Dr. Searle? Please re-filter the Observation Room portal. ICARUS: Filter up or down, Dr. Searle? Down. Oh, my. Icarus, how close is this to full brightness? ICARUS: At this distance of 36 million miles... ...you are observing the sun at 2 percent of full brightness. Two percent? Can you show me 4 percent?

Not to talk about the environmental impact which is also discussed in the link above.