26 facts about deep space that will genuinely unsettle you
SMRTR summary
Most of the universe — about 95% — is made of dark matter and dark energy that scientists can't see or fully explain. The visible matter we know makes up only 5%. Space is so vast and strange that concepts like time, distance, and existence itself break down at cosmic scales.
SMRTR provides this summary for quick context. The original article belongs to Quartz.
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