This planet has a radius 2.5 times that of Jupiter. Brown dwarfs are not technically planets, but since they are not fully stars, they are sometimes included in this conversation.

Astronomers confirm TOI-5573 b, a rare, miniature Saturn-like planet orbiting a small star, challenging theories of planetary ...

A planet with the same radius as Earth, for example, is thought to be quite rocky. But in orbit around many red dwarf stars, which are by far the most common stars in our galaxy, ...

TESS measured the radius of GJ 367b based on how much light it obscured. To determine the mass of the planet, the scientists used later radial velocity measurements, which detect the gravitational ...

Another candidate for the largest planet, HAT-P-67 b, had a radius larger than two times that of Jupiter, which is similar to ROXs 42Bb. Why the uncertainty?

Because the two planets that occupy the radius gap, super-Earths and mini-Neptunes, are both absent from the solar system, scientists can't quite study either up close.

For example, the gas giant HAT-P-67 b, which has a radius about twice that of Jupiter, is currently among the largest known planets in terms of width.

The two distinct planet-size groups are created because even a small amount of helium and hydrogen makes for a very puffy atmosphere that can inflate the radius of the planet significantly, Malsky ...

It is about 30% larger than our planet with a radius of more than 5,200 miles and orbits its sun in just 2.7 days. But it's a second planet previously unknown to scientists that has proven to be ...