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stars

A red-orange star with dark circles in front
Posted inNews

Hunting for Planets Around Old, Anemic Stars

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 28 August 20193 April 2023

Can a star make planets with 10% of what the Sun had to work with? A synergy between two powerhouse survey telescopes is helping astronomers find that answer.

A rocky planet near a red star with two stars in the background
Posted inNews

Nearest Star System May Have a Second Planet

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 19 August 20193 April 2023

The exoplanet candidate, tentatively named Proxima c, would be a frozen snowball.

Images of blue circles around the yellowballs
Posted inNews

The “Yellowball” Catalog and the Citizen Science That Helped Define It

Rachel Crowell, Science Writer by R. Crowell 26 July 20195 January 2023

The online community of the Milky Way Project citizen scientists helped scientists identify compact star-forming regions now known as yellowballs.

The Gemini South telescope at night, with the starry Milky Way in the background
Posted inNews

Giant Planets and Brown Dwarfs Form in Different Ways

Katherine Kornei, Science Writer by Katherine Kornei 11 July 201915 June 2022

Once thought to be part of the same population, planets larger than Jupiter and “failed stars” likely grow via different mechanisms, the Gemini Planet Imager Exoplanet Survey has shown.

Black-and-orange illustration of a black hole and accretion disk
Posted inNews

New Proof That Accretion Disks Align with Their Black Holes

Rachel Crowell, Science Writer by R. Crowell 10 July 201924 May 2022

In the most detailed and highest-resolution black hole simulation to date, an international team of researchers showed the Bardeen-Petterson effect for the first time.

Exoplanet near a star
Posted inNews

Chemical Patterns May Predict Stars That Host Giant Planets

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 June 20197 March 2022

Stars with giant planets tend to have a few key elements in abundance. A new algorithm used these patterns to predict hundreds of stars that will likely have exoplanets if we go looking for them.

Illustration of a protoplanetary disk surrounding a young star
Posted inNews

Passing Object May Have Kicked Up Dust from a Planetary Disk

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 16 May 20194 April 2023

The elongated tail of the SU Aurigae protoplanetary disk was likely formed as a result of a flyby from a substellar object.

An artist’s representation of SIMP0136.
Posted inNews

Starlike Brown Dwarf? Not Anymore

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 17 May 201719 April 2023

Because of a new, surprisingly smaller mass estimate for a much-studied, nearby brown dwarf, astronomers now regard the familiar object as merely planetlike.

An artist’s representation of a newly discovered triple-star system.
Posted inNews

Exoplanet Found in Curious Triple-Star System

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 7 July 201625 April 2023

The newly discovered planet balances precariously in orbit within the star system, puzzling scientists.

The solar system’s new habitable zone after our Sun becomes a red giant.
Posted inNews

Aging Stars Make New Habitable Zones

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 16 May 201629 September 2021

Scientists searching for life in the universe now have a new target: the once-icy worlds orbiting red giants.

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