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Astronomy

If you put all of the stars in the night sky together, how bright would Earth’s sky be?

What would happen if a wave of a magic wand put all the stars together in the night sky?

Astronomy

What is absolute and apparent magnitude?

How do we measure the brightness of objects in the night sky?

News

Hubble sees prolonged death of exploding star

Three years after its explosion, a Type Ia supernova continues to shine brighter than expected, new research finds

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