The formation of blue stragglers

This illustration demonstrates the two ways that blue stragglers — or "rejuvenated" stars — in globular clusters form. The upper illustration shows the collision model where two low-mass stars in an overcrowded environment experience a head-on collision, combining their fuel and mass and to form a single hot star. The lower illustration depicts the "vampire" model consisting of a pair of stars that undergo a transformation, with the lower-mass star draining its larger-mass companion of hydrogen that fuels its rebirth.

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About the Image

Id:heic0918b
Type:Artwork
Release date:23 December 2009, 19:00
Related releases:heic0918
Size:4000 x 4000 px

About the Object

Name:Messier 30
Type:Milky Way : Star : Type : Blue Straggler
Milky Way : Star : Grouping : Cluster : Globular
Distance:28000 light years
Category:Stars

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