3 ms·

I've always had trouble seeing "dark matter" as anything more substantial than modern-day epicycles.

• PhantomGremlin 10y ago
  The quip I'm fond of is: Dark Matter is the Phlogiston of Contemporary Cosmology
  • teraflop 10y ago
    That certainly is a common perspective from people who get their knowledge of dark matter exclusively from pop-science articles!
  • bbctol 10y ago
    Dark matter is the oxygen of contemporary cosmology.