<![CDATA[A wave of darkness is spreading across Mars.]]>A wave of darkness is spreading across Mars. These images show dramatic changes to the Martian surface over the past 50 years, as volcanic dust blows through an ancient impact basin.

https://www.esa.int/Science_Exploration/Space_Science/Mars_Express/Ash_creeps_across_Mars

]]>https://board.circlewithadot.net/topic/2405ee40-a9a6-45ab-bf1b-40604f0111ec/a-wave-of-darkness-is-spreading-across-mars.RSS for NodeThu, 14 May 2026 23:34:07 GMTFri, 01 May 2026 17:29:59 GMT60<![CDATA[Reply to A wave of darkness is spreading across Mars. on Fri, 01 May 2026 17:32:19 GMT]]>Our instruments have improved, but wishful thinking remains a fixture of human behavior. That's why scientists tend to take every claim about "new evidence of alien life" with a massive dose of skepticism.

]]>https://board.circlewithadot.net/post/https://mastodon.social/users/coreyspowell/statuses/116500512052062413https://board.circlewithadot.net/post/https://mastodon.social/users/coreyspowell/statuses/116500512052062413Fri, 01 May 2026 17:32:19 GMT<![CDATA[Reply to A wave of darkness is spreading across Mars. on Fri, 01 May 2026 17:31:57 GMT]]>This is a map of Mars by the Association of Lunar and Planetary Observers, published in Sky & Telescope in 1954.

The Space Age completely transformed our understanding of the solar system.

https://www.alpo-astronomy.org/jbeish/Observing_Mars_4.html

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]]>https://board.circlewithadot.net/post/https://mastodon.social/users/coreyspowell/statuses/116500510668556205https://board.circlewithadot.net/post/https://mastodon.social/users/coreyspowell/statuses/116500510668556205Fri, 01 May 2026 17:31:57 GMT<![CDATA[Reply to A wave of darkness is spreading across Mars. on Fri, 01 May 2026 17:31:07 GMT]]>In the 1950s, astronomers noticed a seasonal "wave of darkening" on Mars. Some interpreted it as springtime growth of plants. One prominent scientist reported that the "wave" appeared organic, similar to lichen on Earth.

Alas...it was just more dust.

https://www.centauri-dreams.org/2015/02/27/astrobiology-a-cautionary-tale/

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]]>https://board.circlewithadot.net/post/https://mastodon.social/users/coreyspowell/statuses/116500507379807293https://board.circlewithadot.net/post/https://mastodon.social/users/coreyspowell/statuses/116500507379807293Fri, 01 May 2026 17:31:07 GMT