Exoplanets that orbit close to their star may have been pushed there

hot Jupiter

We might now know why some sizzling Jupiters have such tight orbits

Asar Studios/Alamy

The extraordinarily brief 10-day orbits of hot Jupiters could also be defined by the planets being born amongst a excessive density of stars.

Scorching Jupiters have lengthy confused astrophysicists. Because the identify suggests, they’re planets related in measurement and look to Jupiter – however not like Jupiter, they lie very near their star, which suggests it takes them only a matter of days to finish one orbit.

Andrew Winter at Heidelberg College, Germany, and his colleagues used information from the European Space Agency’s Gaia mission


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