Work

CUSP

Robert A. Metzger · 2005novel

Genre
- hard science fiction
- science fiction
Theme
- space exploration
Place
- our world
Time
- near future
Tone
- tense
Audience
- adult

Also present

Themeterraforming
Toneinformative

Cusp is a 2005 hard science fiction novel by American writer Robert A. Metzger. It deals with two perpendicular rings running along the Earth's surface that act as cosmic jets using ionized hydrogen.

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