Combining Texts
Ideas for
'works', 'The Koran' and 'Why the Universe Exists'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
1 idea
27. Natural Reality / E. Cosmology / 8. Dark Matter
|
21174
|
Dark matter must have mass, to produce gravity, and no electric charge, to not reflect light [New Sci.]
|