aiellophiap5k6qn aiellophiap5k6qn

09-09-2018
Physics

contestada

Which of these holds a galaxy together?
A.disk
B.gravity
C.open clusters
D.globular clusters

Respuesta :

shannonx12330 shannonx12330

09-09-2018

The answer is B - gravity

Answer Link

09-09-2018

'Disk', 'open cluster', and 'globular cluster' are shapes into which stars gather themselves.

For holding big groups of stars together, we have to find some kind of force. 'Gravity' does the job nicely. (B)

Answer Link

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