A thin cloud that appears on Mars each year has baffled astronomers ever since it was first spotted, but it may be the result of a moisture-rich atmosphere that was thought impossible. Each winter, an ...
11:52, Tue, Jan 21, 2025 Updated: 16:18, Mon, Apr 14, 2025 Skywatching enthusiast Karen Mckeown, 46, was astonished to discover a portal-shaped cloud looming over her home in Tullibody, Scotland.
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