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exoplanets

Blue planet orbits a red star
Posted inNews

Water Found in Small, Habitable Zone Planet’s Atmosphere

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 11 September 201920 December 2022

K2-18b is warm, has an atmosphere, and has water vapor. But it’s no Earth 2.0.

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.

Illustration of oblong planet in front of bright star
Posted inNews

Ultrahot Exoplanet Bleeds Heavy Metals into Space

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 5 August 201931 October 2022

The planet is also shaped like a football (the American kind).

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.

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.

Exoplanet climate
Posted inNews

Modeling the Climates of Worlds Beyond Earth

Katherine Kornei, Science Writer by Katherine Kornei 14 January 201930 March 2023

Scientists are applying climate models to distant planets to determine their habitability.

NASA’s TESS mission discovers third exoplanet
Posted inNews

NASA Space Telescope Spots Its Third Planet

Katherine Kornei, Science Writer by Katherine Kornei 9 January 201929 September 2021

A planet 3 times as large as the Earth was detected by the Transiting Exoplanet Survey Satellite in a relatively leisurely orbit—the longest yet detected by this telescope—of 36 days.

DSCOVR Earth from space
Posted inNews

One-Pixel Views of Earth Reveal Seasonal Changes

Katherine Kornei, Science Writer by Katherine Kornei 9 January 201929 March 2023

By averaging satellite images of the Earth down to a single pixel, researchers trace how the planet’s mean color varies over time, results that inform observations of distant exoplanets.

Artist’s rendering of the Earth-sized habitable zone planet Kepler-186f
Posted inNews

Exoplanet Strategy Promotes Big Missions, Individual Science

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 21 December 201826 January 2022

Collaborative and interdisciplinary research will be key to realizing the missions’ full potential, according to the exoplanet strategy report.

Artist’s rendering of exomoon candidate Kepler-1625b-i and its planet
Posted inNews

Large Exomoon Likely Orbits a Faraway World

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 3 October 201817 January 2023

This Neptune-sized object would be the first moon discovered to orbit a planet outside the solar system, provided that additional observations continue to support the claim.

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