Subscribe to KLT: Listen to KLT Music on Spotify: Learn about M51 ULS 1b -- the first extragalactic planet candidate in the M51 Whirlpool Galaxy -- with this space science & planet song by KLT. Get the KLT App for iPhone & iPad * Android Phone and Tablet * Watch KLT ad-free for $12 a YEAR! See the latest videos before anyone else in the world. Sign up today for ad-free video streaming for all KLT videos! KLT Website: T-Shirts: Music Downloads: Facebook: Subscribe: Tweet Us: Instagram: iTunes: Music: Copyright 2015, 2016, 2017, 2018, 2019, 2020 KLT Video: Copyright 2015, 2016, 2017, 2018, 2019, 2020 KLT #M51ULS1b #KidsLearningTube #ExtragalacticPlanet