How to pronounce “extrasolar” in English

I was telling you how we now know of 400 extrasolar planets but we know about them indirectly from this -- from looking at the motions of their, of their

Let's see, he is, has served as a keynote speaker for the American Museum of Natural History and the Rubin Museum of Art and is the author of 'Extrasolar Planets and Astrobiology'

You know we're living when the first extrasolar planets were found indirectly within the last dozen years.