Can a planet be bigger than its star?

The video explores the diversity of star systems, focusing on the size and mass of stars and planets. It explains the mass requirements for stars, differentiating between brown dwarfs and planets. The video discusses massive stars, neutron stars, and white dwarfs, highlighting their unique characteristics and potential planetary systems. It also covers the challenges in discovering exoplanets larger than their host stars, with examples like GQ Lupi B. The video concludes with the possibility of planets larger than their stars existing in the universe.

What is the significance of the exoplanet WD1856B in relation to white dwarfs?

What are the challenges in finding planets larger than their host stars?

What is the largest exoplanet known, and what are its estimated characteristics?