What Makes Something A Planet, According To An Astrophysicist? Forbes
Ever since 2006, when the International Astronomical Union (IAU) officially defined the term planet — introducing the term 'dwarf planet' to classify Pluto, Eris, ...
Wandering Space Rocks Help Solve Mysteries of Planet Formation Quanta Magazine
After an interstellar asteroid shot past the sun, scientists realized that there's probably a lot of itinerant rocks out there.
This Is Everything That's Wrong With Our Definition Of 'Planet' Forbes
If you were alive in 2006, you likely remember a momentous event in astronomy: the International Astronomical Union (IAU) took it upon themselves to redefine ...
Exomoons get a new name: ploonets Big Think
A new study based on computer simulations suggests that the reason astronomers haven't yet discovered any exomoons is because they may break away from ...
Astronomers make the first observations of a 'moon-forming' disk around a distant planet CNN
The story of exoplanet PDS 70 c, the focus of the first confirmed image of a newborn planet still forming in our galaxy, becomes curioser and curioser.
What is a Ploonet? | Is the Moon a Planet? Popular Mechanics
What happens when a moon turns into a planet, for example? Researchers have a new word for the phenomena: It becomes a "ploonet."
Debate Club: The 5 best planets in all of science fiction SYFY WIRE
Today at Debate Club we look at the five best fictional planets in the sci-fi universe. They all have one wonderful attribute: They aren't here.
Gaps in gas disks around stars may not always mark newborn planets Science News
New research has prompted a rethink of the theory that gaps in planet-forming disks around young stars mark spaces where planets are being created.
NASA drops insane map of 4,000 planets outside our solar system CNET
It seems crazy now, but it wasn't long ago we had no hard evidence of planets existing outside our solar system. Known as "exoplanets," the first definitive ...
Moons that escape their planets could become 'ploonets' Science News
If giant planets in other star systems lose their moons, the freed objects could become “ploonets,” and current telescopes may be able to find them.