Two planets circling Vega! But a more amazing discovery waited the explorers when they landed!
unching into the machinery at its heart.
The sphere shuddered under the impact. It turned. Light spewed out of it, beaming viciously into this alien sky without direction. Smoke boiled from the ball. Turning it seemed to roll along the sky. It looked like a huge burning snowball rolling down some vast hill.
Ron Val lifted a white face from the sighting 'scope of the negatron.
"Did--did I get him?"
"I'll say you did!" Hargraves heard somebody shout exultantly. He was surprised to discover his own voice was doing the shouting. The sphere was finished, done for. It was out of the fight, rolling down the vast hill of the sky, it would smash on the planet below.
They were following it.
There was still no answer from the engine room.
The engine room was crammed to the roof with machiner
(1942) Sci-fi (Alien World) / Adventure
From 'Amazing Stories' December 1942.