LYNETTE COOK / SCIENCE PHOTO LIBRARY LYNETTE COOK / SCIENCE PHOTO LIBRARY
Planet ingestion. Artwork of planetary ingestion by the HD 82943 star. HD82943 is a nearby Sun- like star in the constellation Hydra. Two planets have been detected orbiting this star, with masses of 1-2 Jupiters, and orbiting at around the Earth- Sun distance. Giant planets close to their parent star are thought to have migrated inwards from further out. They may reach a stable orbit or end up plunging into their parent star. This disaster is thought to have occurred to other planets that used to orbit HD 82943. Such events were inferred in 2001 by Garik Israelian et al from the presence of lithium-6 in HD 82943's atmosphere, a non- stellar element supplied by the ingested planet.
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