What stunning color contrast is famously revealed when resolving the double star Albireo?

Answer

A brilliant golden-yellow primary star paired with a fainter, stunning blue companion.

Albireo, when resolved through a telescope, displays a notable contrast between its main star, which appears golden-yellow, and its companion, which appears vividly blue.

What stunning color contrast is famously revealed when resolving the double star Albireo?
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