3 ms·
Dark matter seems like a gigantic hole. Either we don't know what most of the cosmos is made of, or there is a problem with general relativity.
by nn3 5y ago
Dark matter seems like a gigantic hole. Either we don't know what most of the cosmos is made of, or there is a problem with general relativity.
- pedrocr 5y agoAnd then dark energy is more than 2x that. Apparently we only have a good explanation for 5% of the total (normal matter we can see).