34: This System's Got Everything!

We're either just about to add the 4000th exoplanet to our catalogues, or we've already just done it, depending on whether you believe NASA or the Europeans. Either way — exoplanets galore!
So in this episode we celbrate a fascinating story about the Very Large Telescope and its GRAVITY instrument, which has just imaged an exoplanet around a star called HR8799 using optical interferometry for the first time. Even better, something about this story piqued Emily's interest, because there was something strangely familiar about that particular star ...