From: utzoo!decvax!cca!hplabs!hao!menlo70!sytek!zehntel!teklabs!ucbcad!ARPAVAX:CSVAX:npois!npoiv!harpo!uwvax!doug@sri-unix Newsgroups: net.physics Title: Re: Hawking lifespan of Universe Article-I.D.: uwvax.565 Posted: Mon Aug 16 12:37:15 1982 Received: Sat Aug 21 02:15:23 1982 Whether the universe will eventually expand out and die in the so-called "heat death" or pull back on itself and start all over is still very much in question. The answer apparently hinges on the actual amount of MASS in the universe. Cosmologists are forever trying to find mass - is there some hidden in black holes? are there "halos" of magnetic monopoles hovering about? etc?