The ecosystem of our world is a closed system: it would run out of gas, collapse of its own weight.

[2]


Works
Vinge's first publiJoan D. Vinged story "Tin Soldier" a novelette appeared in Orbit 14 in 1974. Her novel Psion was named a Best Book for Young Adults by the American Library Association. Heinlein in part dedicated his 1982 novel Friday to Joan.

Vinge (pron. : /ˈvɪndʒi/; born 2 April 1948 in Baltimore Maryland as Joan Carol Dennison) is an American science fiction author.