Science: Explosion on Mars

For the last ten years, Astronomer Tsuneo Saeki of the Osaka observatory (90 miles from Hiroshima) has been keeping an eye on Mars. About 4 a.m. on Jan. 16, he saw a great grey cloud on the face of the red planet. It rose some 60 miles into the air, he estimated, and covered a roughly circular area about 900 miles in diameter. He watched it tensely for 30 minutes; then clouds in the earth's atmosphere cut off the view. When the weather finally cleared, the clouded side of Mars had turned away.


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