Researchers say they've found the origin of Martian meteorite NWA 7034, aka Black Beauty. We should send a rover there.
NWA 7034, aka ‘Black Beauty,’ is a unique Martian meteorite because it’s brecciated, meaning it contains multiple types of rock. Image Credit: By NASA – http://www.nasa.gov/images/content/716969main_black_beauty_full.jpg, Public Domain, https://commons.wikimedia.org/w/index.php?curid=23571238
Ask any geologist, and they’ll say that rocks tell the story of a planet’s history. That’s why we send missions to asteroids to return samples to Earth and why NASA and the ESA are planning a sample return mission to Mars to collect samples gathered by the Perseverance Rover. With sample return missions like those, we know exactly where the samples came from, which tells researchers a lot about the source body. But up until now, scientists haven’t known exactly where Black Beauty originated.
NWA 7034 contains the oldest Martian igneous material ever found at 4.5 billion years old. Knowing its location tells us about the history of the region it came from. And by extension, it tells us about Mars as a whole, and even about Earth. This figure from the study shows Black Beauty’s origin. It started with the Dampier impact around 4 billion years ago. Then came the Khujirt impact about 1.5 billion years ago, which covered Dampier in ejecta. Finally, about 5 to 10 million years ago, an impact created the Karratha crater, which sent Black Beauty into space and eventually onto the Sahara Desert. Image Credit: Lagain et al. 2022.
This figure from the study shows how the researchers arrived at a list of 19 candidate craters. Image Credit: Lagain et al. 2022.
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