The night sky: are the stars we see really dead already?

A popular idea about the night sky is that many of the stars we see no longer exist. Is this true?

The night sky: are the stars we see really dead already?

Are Any Stars Visible In The Night Sky Already Dead? - Big Think

Basics Stars – NASA Universe Exploration

Stars—facts and information

Stars and Nebulas

What weather to expect during New Year's fireworks

Are Any Stars Visible In The Night Sky Already Dead?

How we could spot a 'Death Star' in real life - CNET

Is every star we see dead?

Alpha Centauri, the star system closest to our sun

Nearing Death Noted Brain Researcher Finds Solace in the Stars