NASA Explores Ancient Asteroid Deep in Space

1,801 views · Published 20 December 2011 · 2:22 · Indexed 28 September 2026

Channel: The Wall Street Journal · 2011 · Science & Technology

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NASA's $456 million Dawn probe of the giant asteroid Vesta has revealed one of the tallest mountains in the solar system and a landscape more rugged than Mars or the Moon. WSJ's Robert Lee Hotz reports. 
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