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176 pages • first pub 1990 (view editions)
ISBN/UID: None
Format: Paperback
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
90% or more of the matter in the universe is unseen. Nobody knows what it is. The universe expands, but nobody knows how long the expansion has been going on. Will it expand forever, or collapse in a Big Crunch, perhaps a Big Bang in reverse?
Community Reviews
Content Warnings
176 pages • first pub 1990 (view editions)
ISBN/UID: None
Format: Paperback
Language: English
Publisher: Not specified
Edition Pub Date: Not specified
Description
90% or more of the matter in the universe is unseen. Nobody knows what it is. The universe expands, but nobody knows how long the expansion has been going on. Will it expand forever, or collapse in a Big Crunch, perhaps a Big Bang in reverse?
Community Reviews
Content Warnings