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planetary science

A meteorite thin section under a microscope. Different colors represent different minerals, because light travels through them in different ways. The round mineral aggregates are chondrules, which are a major component in primitive meteorites.

Solar System formed from “poorly mixed cake batter”

Asteroid Itokawa

Nukes needed to save Earth from common killer asteroid

Boudinage in brecciated dolostone rocks of the Panamint Range (Wildrose Area, Death Valley National Park). New research shows that periclase is stronger than bridgmanite in earth's lower mantle, analogous to boudins developing in rigid ("stronger") rocks among less competent ("weaker") rocks.

What Are They Up To? Surprising Behavior of Minerals Deep in the Earth

Samples of asteroid Ryugu analysed at IPGP

Ryugu: Asteroid samples continue to shed light on solar system history

Artist's impression of an active mantle plume – a large blob of warm and buoyant rock – rising from deep inside Mars and pushing up Elysium Planitia, a plain within the planet's northern lowlands.

Giant plume shows Mars still active

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