Which sequence correctly shows how stars form?
a

nebula forms → nebula collapses → protostar forms → fusion begins
b

protostar forms → nebula forms → fusion begins → nebula collapses
c

fusion begins → nebula forms → protostar forms → nebula collapses
d

nebula forms → protostar forms → nebula collapses → fusion begins

Question

26-05-2015
Physics

Answered

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Which sequence correctly shows how stars form?
a

nebula forms → nebula collapses → protostar forms → fusion begins
b

protostar forms → nebula forms → fusion begins → nebula collapses
c

fusion begins → nebula forms → protostar forms → nebula collapses
d

nebula forms → protostar forms → nebula collapses → fusion begins

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