
Transcriber's note:
When the first human team steps onto Mars's barren plains, they discover a perfectly round, four‑inch hole bored straight through a granite outcrop, as if someone had drilled an impossibly precise tunnel in an empty desert. The crew's botanist and photographer note the hole shows no drilling marks, melting, or erosion, and the surrounding rock is untouched, prompting a blend of scientific curiosity and uneasy reverence. Commander Hugh Allenby, a wry but steadfast leader, insists they treat the anomaly as an artifact, warning his team that even a harmless curiosity could hide a purpose far beyond human understanding.
As they probe deeper, they uncover a second, identical opening in a nearby cactus, its clean interior matching the rock’s dimensions and hinting at a deliberate, perhaps ritualistic, pattern across the landscape. The crew’s geologist and biologist debate whether the holes serve a practical function—ventilation or a survey marker—or represent an alien totem that challenges their assumptions about Martian geology. Bound by protocol and awe, they collect samples and document the site, aware that whatever lies within those flawless circles could reshape humanity’s view of the red planet.
Language
en
Duration
~33 minutes (32K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Greg Weeks and the Online Distributed Proofreading Team at http://www.pgdp.net
Release date
2010-05-13
Rights
Public domain in the USA.

1923–1998
A sharp, imaginative voice in mid-century science fiction, this writer helped shape some of the genre’s most memorable stories on the page and on screen. Best known for "It’s a Good Life" and classic work for Star Trek and The Twilight Zone, he had a gift for big ideas with an unsettling edge.
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