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Water-vascular system.

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Q: Interconnected canals and hollow tube feet work together in sea star's what?
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Continue Learning about Natural Sciences

Are stars really hollow?

No. There's not even anyone who thinks there are?!


What is a star that has collapsed to the point where electrons and protons are smashed together?

Neutron Stars are stars that have collapsed to the point where electrons and protons are smashed together.


How do dying stars form planets?

They don't - new born stars and planets are formed together.


How do stars retain there shape?

Their own gravity keeps them together.


Why do billions of stars appear as big patches of the light in the night sky?

That happens when the individual stars are too faint, and too close together, to be seen as individual stars.

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