Top Results for First Exoplanet Host

Proxima Centauri b is an exoplanet orbiting Proxima Centauri, the closest star to our Sun. This super-Earth resides within its star’s habitable zone, raising possibilities for liquid water on its surface. Its proximity makes it a key target for astronomical study and future investigation by scientis...

51 Pegasi is a G-type main-sequence star located approximately 50 light-years from Earth within the Pegasus constellation. It gained prominence as the first host star of an exoplanet discovered orbiting a Sun-like star. The discovery by Mayor and Queloz in 1995 revolutionized planetary science and d...

TRAPPIST-1e is an Earth-sized exoplanet circling the ultracool dwarf star TRAPPIST-1. Measurements of its size and mass support a rocky composition. Its orbit falls in the region commonly described as the habitable zone, where suitable atmospheric conditions could allow liquid surface water. Those c...

Orbiting the red dwarf Kepler-186, Kepler-186f is a roughly Earth-sized exoplanet located in its star's habitable zone. That term describes an orbital region where a planet with suitable atmospheric conditions could support liquid water at its surface. It does not establish that this particular plan...

HD 209458 b orbits a Sun-like star about 153 light-years away and belongs to the hot-Jupiter class of giant planets. Its close orbit subjects its atmosphere to intense stellar radiation. In 1999 it became the first exoplanet observed transiting its star, meaning astronomers measured the slight dimmi...

The Geneva Observatory (Observatoire de Genève) is a Swiss astronomical research facility located in Sauverny, Switzerland. It is most famous as the institution where astronomers Michel Mayor and Didier Queloz discovered the first exoplanet orbiting a Sun-like star, 51 Pegasi b, in 1995, earning the...

Slightly larger than Earth, TRAPPIST-1f orbits the ultracool dwarf TRAPPIST-1 and is considered a rocky exoplanet. It occupies the system's habitable-zone region, where liquid surface water could be possible under suitable atmospheric conditions. It receives less stellar energy than Earth receives f...

KELT-9b is a giant exoplanet orbiting the star HD 189733A. It’s notable as the hottest known planet, boasting a dayside temperature exceeding 4,000 Kelvin – hotter than many stars. This ultrahot Jupiter was discovered by the Kentucky Extrasolar Traniting Survey (KELT) in 2017 and is of interest to a...

RuPaul is a prominent figure in contemporary drag culture. He’s best known as the head judge and host of *RuPaul’s Drag Race*, a long-running television competition showcasing talented drag performers. His critical eye and established expertise make him an influential voice within the LGBTQ+ communi...

With a radius about 1.13 times Earth's, TRAPPIST-1g is a roughly Earth-sized rocky exoplanet orbiting the ultracool dwarf TRAPPIST-1. It lies in the cooler part of the region often identified as the system's habitable zone. This location makes it relevant to questions about liquid water, but only in...

Kepler-452b is an exoplanet orbiting a G-type star approximately 1,400 light-years from Earth. It’s notable as a super-Earth within its star's habitable zone, suggesting potential for liquid water on its surface. Scientists study this planet to understand the characteristics of potentially habitable...

Two stars share the sky of Kepler-16b, a giant exoplanet discovered through NASA's Kepler mission. Its circumbinary orbit carries it around the stellar pair as a whole, rather than around just one member. This arrangement invited comparisons with the fictional world Tatooine, although Kepler-16b is...

About 63 light-years away, HD 189733 b is a hot gas giant orbiting a star smaller and cooler than the Sun. Repeated transits make it a useful subject for atmospheric research, because observers can examine changes in starlight as the planet passes in front of its host. Its atmosphere has been studie...

Kepler-1649c is an exoplanet roughly Earth-sized orbiting a red dwarf star named Kepler-1649. Its location within its star’s habitable zone—the region where liquid water could exist on the surface—makes it notable. Scientists study this super-Earth to assess the potential for habitability around M-d...

WASP-76b is an exoplanet orbiting a distant star, classified as a “hot Jupiter.” Its notable characteristic is its extremely dense atmosphere containing iron vapor. Observations reveal iron rain occurring on the planet’s nightside due to temperature variations. This phenomenon, confirmed through spe...

Mangalyaan, formally the Mars Orbiter Mission (MOM), is a space probe launched by the Indian Space Research Organisation (ISRO) in November 2013. It successfully entered Mars orbit in September 2014, making India the first Asian nation to reach Martian orbit and the first country globally to do so o...

K2-18b is a sub-Neptune exoplanet orbiting the M dwarf star K2-18. Located within its star’s habitable zone, it has garnered significant attention due to potential liquid water on its surface. Scientists are studying this planet to understand atmospheric compositions and assess conditions suitable f...

TRAPPIST-1d is an Earth-sized exoplanet orbiting the TRAPPIST-1 star. It resides within the system's habitable zone, raising possibilities for liquid water on its surface. The planet’s rocky composition and size make it a subject of interest for astronomers studying potentially habitable worlds beyo...

WASP-96b is a giant exoplanet orbiting a star approximately 843 light-years away. Its atmosphere was studied extensively using the James Webb Space Telescope, yielding one of the earliest publicly available datasets for analyzing exoplanetary atmospheres. This data provides valuable insights into th...

Beta Pictoris b is a gas giant exoplanet orbiting the young star Beta Pictoris. It’s notable as one of the first exoplanets directly imaged using adaptive optics technology. This allows scientists to study its formation and composition within a debris disk surrounding the A-type star. The planet is...

HR 8799 c is a gas giant exoplanet discovered orbiting the young A-type star HR 8799. It’s notable as one of the first planets directly imaged around another star and part of a multi-planet system. This planet, approximately twice the size of Jupiter, offers scientists a unique opportunity to study...

HR 8799 b is a young gas giant exoplanet discovered orbiting the star HR 8799, located approximately 129 light-years from Earth. Direct imaging by the Keck and Gemini telescopes in 2008 revealed its existence. This planet is notable for its youth and association with a multi-planet system around an...

TRAPPIST-1c is an Earth-sized exoplanet orbiting the ultracool dwarf star TRAPPIST-1. Located within the TRAPPIST system, it’s notable for its potential habitability due to its size and proximity to its star. The planet transits its star regularly making it a target for atmospheric study. Scientists...

Kepler-442b is an exoplanet orbiting a cooler star approximately 1,200 light-years from Earth. Its size and position within its star’s habitable zone make it notable for potential liquid water on its surface. Scientists study this super-Earth to understand the diversity of planets capable of support...

WASP-39b is a giant exoplanet orbiting a Sun-like star approximately 700 light-years away. The James Webb Space Telescope’s detailed observations in 2022 revealed its substantial atmosphere containing key molecules such as carbon dioxide, sulfur dioxide, and water vapor. This data provides valuable...

51 Pegasi b is a gas giant exoplanet orbiting the Sun-like star 51 Pegasi. Its discovery in 1995 marked the first confirmation of an exoplanet around such a star. This “hot Jupiter” planet’s existence was determined through radial velocity measurements, offering scientists a crucial early example fo...

HR 8799 e is a gas giant exoplanet discovered orbiting the young star HR 8799. Its significance lies as the innermost planet within a confirmed multi-planet system – the first such system directly imaged. This inner giant, located approximately 129 light-years away, offers valuable insights for astr...

HR 8799 d is a gas giant exoplanet located approximately 129 light-years from Earth. It’s notable as one of the first planets directly imaged around an A-type star and part of a multi-planet system discovered through direct imaging techniques. This planet orbits a young, Sun-like star and offers val...

55 Cancri e is a rocky exoplanet orbiting a sun-like star approximately 40 light-years away. Its extremely short orbital period of just 17.8 hours – due to its proximity of 0.015 astronomical units – makes it notable for studying planetary formation around similar stars. The planet’s surface is beli...