Some exoplanets have one side permanently facing their star while the other side is in perpetual darkness. The ring-shaped border between these permanent day and…
Posts published in “Exoplanet”
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Artist impression of the four classes of planetary system architecture. A new architecture framework allows researchers to study an entire planetary system at the systems…
Artist’s conception of a large gas giant planet orbiting a small red dwarf star called TOI-5205. Credit: Image by Katherine Cain, courtesy of the Carnegie…
Artist’s conception of a rocky Earth-mass exoplanet like Wolf 1069 b orbiting a red dwarf star. If the planet had retained its atmosphere, chances are…
Ashley Chontos, Princeton’s Henry Norris Russell Postdoctoral Fellow in Astrophysics, was part of a team discovering that Kepler-1658b is spiraling to its doom around its…
These two images are of the dusty debris disk around AU Mic, a red dwarf star located 32 light-years away in the southern constellation Microscopium.…
This illustration reflects that exoplanet LHS 475 b is rocky and almost precisely the same size as Earth based on new evidence from NASA’s James…
Newly discovered Earth-size planet TOI 700 e orbits within the habitable zone of its star in this illustration. Its Earth-size sibling, TOI 700 d, can…
An illustration of the variations among the more than 5,000 known exoplanets discovered since the 1990s. Credit: NASA/JPL-Caltech A new model explains the rarity of…
An artist’s concept of the Kepler-1658 system. Kepler-1658b, orbiting with a period of just 3.8 days, was the first exoplanet candidate discovered by Kepler. Credit:…

“Water Worlds” – Astronomers Discover That Two Exoplanets Are Unlike Any Planets in Our Solar System
Cross-section of the Earth (left) and the exoplanet Kepler-138 d (right). Like the Earth, this exoplanet has an interior composed of metals and rocks (brown…
An artist’s impression of the planet Janssen, which orbits its star so closely that its entire surface is a lava ocean that reaches temperatures of…
The authors’ findings will make it possible for scientists to evaluate the atmospheres of many other planets efficiently without having to send a space crew…
This illustration depicts the exoplanet WASP-39 b and its star. Credit: Melissa Weiss/Center for Astrophysics | Harvard & Smithsonian New Webb Space Telescope observations of…
Exoplanet WASP-39 b Illustration. Credit: Melissa Weiss/Center for Astrophysics | Harvard & Smithsonian Observations of Exoplanet WASP-39b show fingerprints of atoms and molecules, as well…
Artist’s impression of the molten surface of a young planet reacting with its atmosphere to form water vapor. Credit: Tadahiro Kimura A day at the…
Artist impression of an ultra fluffy gas giant planet orbiting a red dwarf star. A gas giant exoplanet [right] with the density of a marshmallow…
Illustration of the terrestrial super-Earth GJ 1252 b, which lies approximately 65 light-years from Earth. Credit: NASA/JPL-Caltech GJ 1252 b is a rocky, terrestrial “super-Earth”…
The TRAPPIST-1 system, where we may soon have more information about the atmospheres of rocky, Earth-like planets from the James Webb Space Telescope. It is…