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exoplanets

Artist’s rendering of TESS observing a red dwarf star with orbiting planets.
Posted inNews

New Exoplanet Telescope Detects Its First Two Planets

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 25 September 201810 April 2023

The two possible planets, each larger than Earth and too hot to be habitable, are the first of hundreds of Earth-sized exoplanets expected to be discovered by a recently launched telescope.

Full-scale model of the James Webb Space Telescope
Posted inNews

How Well Can the Webb Telescope Detect Signs of Exoplanet Life?

Lucas Joel by L. Joel 24 September 20189 November 2021

Recent research suggests that NASA’s next-generation space telescope will be good—but not the best—at finding life-sustaining levels of oxygen in an exoplanet’s atmosphere.

Artist’s rendering of disintegrating planet Kepler-1520b.
Posted inNews

Webb Telescope May Detect Minerals from Shredded Worlds

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 12 September 20189 November 2021

The upcoming James Webb Space Telescope should be able to measure the composition of vaporizing exoplanets, giving clues about the makeup of their cores, mantles, and crusts.

A wide variety of Kepler exoplanets
Posted inFeatures

The Kepler Revolution

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 1 August 201817 January 2023

The Kepler Space Telescope will soon run out of fuel and end its mission. Here are nine fundamental discoveries about planets aided by Kepler in the 9 years since its launch.

The TRAPPIST-1 exoplanet system as it might look like from a vantage point near the planet TRAPPIST-1f (at right)
Posted inAGU News

AGU and AAS Join Forces to Foster Understanding of Exoplanets

by J. Speiser 13 July 201810 April 2023

Enhanced cooperation between organizations representing astronomers and Earth and space scientists will build upon interdisplinary work already bridging geophysics and astronomy.

Artist’s conception of TESS, with a hypothetical lava planet and its host star in the background.
Posted inNews

Exoplanet-Hunting Telescope Launches

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 19 April 201810 April 2023

Scanning for traces of faraway worlds, TESS will make observations over an area hundreds of times larger than that observed by its predecessor, the Kepler Space Telescope.

Artist's conception of the K2-138 exoplanet system
Posted inNews

Looking to the Future of Exoplanet Science

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 24 January 201810 April 2023

Upcoming missions seeking to unravel the secrets of exoplanets abound. An informal survey of astronomers revealed which of those projects they most eagerly await.

An artist’s rendering of a Neptune-sized exoplanet.
Posted inNews

Ten Earth-Sized Planets Found by Exoplanet-Hunting Telescope

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 22 June 201719 April 2023

A new analysis of exoplanet candidates also reveals a previously unrecognized tendency for smaller exoplanets to grow into two distinct sizes.

Researchers look at silicon carbide under heat and pressure to better understand its behavior in a planet mantle
Posted inResearch Spotlights

Lab Tests Probe Carbon Planets’ Inner Dynamics

by Terri Cook 15 June 201730 September 2021

Thermal convection in deep interiors could be more vigorous in carbide planets than in comparably sized silicate planets, according to new high-pressure measurements of silicon carbide.

KELT-9, Hot exoplanet
Posted inNews

Meet KELT-9b, the Hottest Exoplanet Ever Discovered

JoAnna Wendel, freelance science writer and illustrator by JoAnna Wendel 5 June 201719 April 2023

The exoplanet’s host star blasts it with so much radiation that it will someday evaporate.

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