Simulations reveal hydrodynamics of planetary engulfment by expanding star - University of California, Santa Cruz
A new study using hydrodynamical simulations reveals the forces acting on a planet when it is swallowed by an expanding star, as will eventually happen to the inner planets of our solar system when the sun becomes a red giant.
When our sun exhausts the hydrogen fuel in its core some 5 billion years from now, it will expand to become a red giant, engulfing the inner planets. The dynamics and possible outcomes of planetary e… [+3738 chars]
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