Gaps in gas disks around stars may not always mark newborn planets

Washington (UPI) Jul 12, 2019 Runaway moons could explain several astronomical mysteries, according to a new study. Models suggest at least 50 percent of giant moons ejected from their orbits around gas giants, which study authors dubbed ploonets, would survive their initial expulsion and achieve a relatively stable, but oblong, orbit around the sun. The potential prevalence of ploonets could explain a variet

Gaps in gas disks around stars may not always mark newborn planets

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.

Tue 16 Jul 19 from ScienceNews

‘Moon-forming’ disk found in distant star system

Discovery helps confirm theories of planet formation, astronomers say.

Fri 12 Jul 19 from Cosmos Magazine

Moon-forming disk discovered around distant planet

Using Earth's most powerful array of radio telescopes, astronomers have made the first observations of a circumplanetary disk of gas and dust like the one that is believed to have birthed the ...

Thu 11 Jul 19 from Phys.org

Moon-forming disk discovered around distant planet, Thu 11 Jul 19 from ScienceDaily

No exomoons yet, but we may have spotted a disk that will form them

Plus there's a weird feature that we can't explain at this point.

Tue 16 Jul 19 from Arstechnica

Meet the Ploonets! Runaway Moons with Delusions of Planethood Get Astronomy's Cutest Name Ever

Moons orbiting distant worlds have a new nickname, and it's even cuter than "moonmoon."

Mon 15 Jul 19 from SPACE.com

Astronomers spot a circumplanetary disk for the first time

With the help of the ALMA observatory, scientists have identified a circumplanetary disk in a distant star system -- a first.

Fri 12 Jul 19 from UPI

Ejected moons could help solve several astronomical puzzles

Washington (UPI) Jul 12, 2019 Runaway moons could explain several astronomical mysteries, according to a new study. Models suggest at least 50 percent of giant moons ejected from their ...

Mon 15 Jul 19 from SpaceDaily

'Moon-forming' circumplanetary disk discovered in distant star system

(National Radio Astronomy Observatory) Astronomers using ALMA have made the first-ever observations of a circumplanetary disk, the planet-girding belt of dust and gas that astronomers strongly ...

Thu 11 Jul 19 from Eurekalert

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