You need to sign in or sign up before continuing.
Take a photo of a barcode or cover
missing duration info • first pub 2019 (view editions)
ISBN/UID: None
Format: Audio
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
All the matter and light we can see in the universe makes up a trivial 5 per cent of everything. The rest is hidden.Since the 1970s, astronomers have been aware that galaxies have far too little matter in them to account for the way they spin arou...
Community Reviews
Content Warnings
missing duration info • first pub 2019 (view editions)
ISBN/UID: None
Format: Audio
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
All the matter and light we can see in the universe makes up a trivial 5 per cent of everything. The rest is hidden.Since the 1970s, astronomers have been aware that galaxies have far too little matter in them to account for the way they spin arou...
Community Reviews
Content Warnings