Stars Flashcards

1
Q

Where do cooler stars emit their energy?

A

In Infra- Red part of electromagnetic spectrum.

Appear RED to us.

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2
Q

What colour are very hot stars?

A

Blue - emit energy in ultra violet part of spectrum.

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3
Q

Warmer the object, ___?

A

Shorter the wavelengths.

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4
Q

What powers a star?

A

Nuclear fusion reactions ta,ing place in its core = produce new atoms.

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