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planetary evolution

An illustration of seven small planets in front of a red-orange star.
Posted inNews

Anemic Stars Don’t Host Super-Earths

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 27 August 202427 August 2024

Planetary systems need the right stuff to make planets, and some stars just don’t have it.

A sand-filled gully carves through layers of rocks on Mars
Posted inNews

Curiosity Digs Up Evidence of a Cold, Wet Martian Past

Damond Benningfield, Science Writer by Damond Benningfield 21 August 202421 August 2024

Amorphous materials, which are rarely studied on Earth, yield insights into the history of Gale Crater and the early Martian environment.

A computer simulation on a repeat loop where the viewer approaches a circular pit on the Moon, descends vertically, and then levels out to see an underground cave.
Posted inNews

Lunar Lava Tube Revealed Beneath Collapsed Pit

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 2 August 20242 August 2024

The Sea of Tranquility is home to at least one lunar lava tube, which could preserve a pristine and unweathered record of lunar volcanism.

Rocas grises bandeadas entre pasto verde y pequeñas flores blancas
Posted inNews

Sedimentos radiactivos podrían haber construido los cratones de la Tierra

Javier Barbuzano, Science Writer by Javier Barbuzano 2 August 20242 August 2024

La meteorización de los primeros continentes podría haber puesto en marcha la formación de cratones, las raíces inmutables de los continentes.

A blue planet appears next to a yellow star against a black background.
Posted inNews

Smells Like an Exoplanet

Katherine Kornei, Science Writer by Katherine Kornei 1 August 20245 August 2024

Hydrogen sulfide, spotted in the atmosphere of the exoplanet HD 189733 b, helps constrain how the planet formed.

Robotic lander on the Moon’s surface
Posted inNews

First Samples from the Moon’s Farside Return on Chang’e-6

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 June 202425 June 2024

These samples could provide novel geologic insight into the Moon’s formation and history.

Gray rocks among green grasses and flowers
Posted inNews

Radioactive Sediments May Have Built Earth’s Cratons

Javier Barbuzano, Science Writer by Javier Barbuzano 14 June 20244 August 2024

Weathering of the earliest continents could have set in motion the formation of cratons, the immutable roots of continents.

An artist’s rendering of a striped gas planet close to a star
Posted inNews

Magnetic Barriers Might Explain Mysterious Hot Jupiters

by Jonathan O’Callaghan 3 June 20243 June 2024

Hot Jupiters might end up very close to stars because a magnetic field halts their progress—and future observations could confirm the idea.

The Moon with its center exposed and two thin blobs oriented toward the center
Posted inNews

The Moon’s Mantle Did a Flip—and Scientists May Now Have Evidence

Javier Barbuzano, Science Writer by Javier Barbuzano 8 May 20248 May 2024

For decades, a lunar whodunit has puzzled scientists: Did the Moon’s internal layers flip during its formation? Old data might hold the evidence to solve this cold case.

Representación de Eris
Posted inNews

Los planetas enanos muestran evidencias de reciente actividad geológica

Damond Benningfield, Science Writer by Damond Benningfield 2 May 20242 May 2024

Los grandes cuerpos del Cinturón de Kuiper y más allá podrían haber albergardo océanos en la subsuperficiales.

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