Geology and Minerals

HD 172555

HD 172555 is a white-hot type A7V star located relatively close by, 94 light-years from Earth in the direction of the constellation Pavo. Spectrographic evidence indicates a relatively recent collision between two planet-sized bodies. Evidence of the collision was detected by NASA's Spitzer Space Telescope.

Also on this shelf

See also

• ▸Grímsvötn
• ▸Drawbar (defense)
• ▸Caldeira Volcano

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