Ten-day optical burst shows star eating giant planet, scientists say
Scientists have concluded that an unexplained optical burst from the Milky Way galaxy provides evidence of a star eating up its local giant planet.
Hoping to nail down the source with more data, De et al looked to observations of the same star taken by the Keck Observatory in Hawaii. The Keck telescopes take spectroscopic measurements of starlight, which scientists can use to discern a star’s chemical composition.What they found offered evidence of a destructive interaction between a star and a planet astronomers had long suspected but never observed.
Yet further investigation revealed that the luminosity of ZTF SLRN-2020 was much lower than for other red novae, suggesting that an object smaller than a star was involved in the merger event, she said.
Belgique Dernières Nouvelles, Belgique Actualités
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