Rendezvous with Rama

Astronauts explore an alien spacecraft hurtling toward the sun in this Hugo and Nebula Award–winning novel—“a stone-cold classic” of hard sci-fi ( The Guardian ).   An enormous cylindrical object has entered Earth’s solar system on a collision course with the sun. A team of astronauts are sent to explore the mysterious craft, which the denizens of the solar system name  Rama . What they find is astonishing evidence of a civilization far more advanced than ours. They find an interior st