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Exoplanet Discovery
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HD 209458 b
Host star: HD 209458, Method of discovery: Transit method and radial velocity, Significant attributes: First exoplanet detected transiting its star, has an extended hydrogen atmosphere
K2-18b
Host star: K2-18, Method of discovery: Transit photometry, Significant attributes: Presence of water vapor in its atmosphere, located within its star's habitable zone
51 Pegasi b
Host star: 51 Pegasi, Method of discovery: Radial velocity method, Significant attributes: First exoplanet discovered orbiting a sun-like star, 'Hot Jupiter' type
HD 189733 b
Host star: HD 189733, Method of discovery: Transit method and radial velocity, Significant attributes: Has an atmosphere with high-speed winds and silicate particles, known for studies of exoplanetary atmospheres
WASP-12b
Host star: WASP-12, Method of discovery: Transit method, Significant attributes: 'Hot Jupiter' with one of the shortest orbital periods known, experiences extreme star-planet interactions
Kepler-452b
Host star: Kepler-452, Method of discovery: Transit method, Significant attributes: Earth-like planet, sometimes called Earth's Cousin, orbits in the habitable zone
Kepler-186f
Host star: Kepler-186, Method of discovery: Transit method, Significant attributes: First Earth-sized planet found in the habitable zone, could have liquid water
Proxima Centauri b
Host star: Proxima Centauri, Method of discovery: Radial velocity method, Significant attributes: Closest known exoplanet, potentially habitable, similar Earth mass
LHS 1140 b
Host star: LHS 1140, Method of discovery: Transit photometry and radial velocity, Significant attributes: Super-Earth, within the habitable zone, has a solid surface
GJ 1214 b
Host star: GJ 1214, Method of discovery: Transit photometry, Significant attributes: Water-world, with a thick, steamy atmosphere, low-density super-Earth
55 Cancri e
Host star: 55 Cancri, Method of discovery: Radial velocity and transit method, Significant attributes: Super-Earth, possible lava world due to high surface temperatures, very close to its host star
TRAPPIST-1e
Host star: TRAPPIST-1, Method of discovery: Transit photometry, Significant attributes: Rocky exoplanet, within the habitable zone, part of a system with seven Earth-sized planets
Beta Pictoris b
Host star: Beta Pictoris, Method of discovery: Direct imaging, Significant attributes: Large gas giant, orbits a very young star, known for its circumstellar disk
Gliese 581g
Host star: Gliese 581, Method of discovery: Radial velocity method, Significant attributes: Potential for liquid water, unconfirmed existence, located in the habitable zone
Kepler-22b
Host star: Kepler-22, Method of discovery: Transit method, Significant attributes: Another Earth analog, orbits within the habitable zone, speculated to have a large ocean or gaseous atmosphere
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