The icy steps on these Mars plains may be ancient wind-blown dust

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The icy steps on these Mars plains may be ancient wind-blown dust
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Wedged in between these Red Planet features are channels that may have been formed by water or lava.

Elizabeth Howell, Ph.D., is a staff writer in the spaceflight channel since 2022. She was contributing writer forfor 10 years before that, since 2012. As a proud Trekkie and Canadian, she also tackles topics like diversity, science fiction, astronomy and gaming to help others explore the universe. Elizabeth's on-site reporting includes two human spaceflight launches from Kazakhstan, three space shuttle missions in Florida, and embedded reporting from a simulated Mars mission in Utah.

in Space Studies from the University of North Dakota, and a Bachelor of Journalism from Canada's Carleton University. Elizabeth is also a post-secondary instructor in communications and science since 2015. Her latest book, Leadership Moments from NASA, is co-written with astronaut Dave Williams. Elizabeth first got interested in space after watching the movie Apollo 13 in 1996, and still wants to be an astronaut someday.

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