What is an 'Earth-like' Planet?

Picked video by video from Carnegie Science (mixed channel): title plainly names a teaching subject. Channel transcript sample: All three samples lack transcripts, so no content could be verified; falling back to the prior title-sample verdict of pick given the channel's known mix of teaching and non-teaching content.

A 3-minute video from Carnegie Science: “What is an 'Earth-like' Planet?”.

Video by Carnegie Science, played through YouTube's embedded player.