What makes a planet a planet? And what makes a star a star? Once we know this these defining characteristics, we start to notice that these definitions can overlap. Which begs the question, can a planet be bigger than its parent star? SUBSCRIBE for more space videos: http://goo.gl/WX4iMN Patreon: http://goo.gl/GGA5xT Facebook! http://goo.gl/uaOlWW Twitter! http://goo.gl/VCfejs Ethereum Wallet: 0x5F8cf793962ae8Df4Cba017E7A6159a104744038 Become a Patron today and support Astrum! Donate link above. I can't do it without you. Patreons can help pick the next Astrum Answers in a regular poll. Thanks to those who have supported so far! Astrum Spanish: https://bit.ly/2KmkssR Image Credits: NASA/ESO/ESA/Hubble/Space Engine/Universe Sandbox Music Credits: Marek Poledna