Skip to content
TrackPodcasts
kidsSep 6, 202122:24pending

Planet X

About this episode

Ciaran and Dan look at what makes a planet and whether there's a mysterious extra planet – Planet X – just beyond Neptune, lurking in our cosmic neighbourhood. 

Mysteries of Science is a fortnightly podcast created by The Week Junior's Science+Nature magazine and Fun Kids.

Tap follow or subscribe wherever you're listening to this to make sure you never miss an episode, and get ready for a summer of fascinating mysteries, including Planet X and massive treasure hunts.

Get three copies of The Week Junior's Science+Nature magazine for just £5. sciencenature.theweekjunior.co.uk/podcast is the place to claim yours.

See omnystudio.com/listener for privacy information.

Get every episode summarized

Each time Mysteries of Science publishes, we email you a written briefing from the transcript — the topics, who appeared, and any specific claims, with the ad reads skipped.

Email me new episodes

Free for 3 shows. No card needed.

Hosts & guests

No transcript yet

This episode has not been transcribed. Request it and it moves to the front of the queue.

Planet X

Mysteries of Science

0:00
22:24

More episodes

More from Mysteries of Science

View all episodes →