The Most Popular Exoplanet: Exploring the Fascination

Choose the exoplanet you think is the most popular!

Author: Gregor Krambs
Updated on Feb 16, 2024 06:04
Welcome stargazers and space enthusiasts! We invite you to embark on an interstellar journey with StrawPoll as we delve into the mesmerizing world of exoplanets. With thousands of intriguing celestial discoveries, we're on a quest to rank "What is the most popular exoplanet?" and we need your help! Cast your vote for your favorite exoplanet or enlighten us by suggesting an uncharted option. Will it be the potentially habitable Proxima b or the mysterious Kepler-452b, also known as Earth's bigger cousin? The cosmic possibilities are endless! Join us in this exhilarating exploration and let's unveil the most admired exoplanet together. Your opinions matter to the universe!

What Is the Most Popular Exoplanet?

  1. 1
    67
    votes
    This is the closest known exoplanet to Earth, orbiting the nearest star system to our Sun. It is considered a potential habitable planet and has been extensively studied by astronomers.
    Proxima Centauri b is an exoplanet that orbits around the star Proxima Centauri, the closest known star to our solar system, located about 4.24 light-years away in the constellation Centaurus. It is considered to be in the habitable zone of its star, which means that conditions might be suitable for the presence of liquid water, essential for life as we know it.
    • Discovery Date: August 24, 2016
    • Distance from Earth: Approximately 4.24 light-years
    • Star: Proxima Centauri
    • Star Type: Red dwarf
    • Orbital Period: Approximately 11.2 Earth days
  2. 2
    29
    votes
    This exoplanet is one of seven discovered around the ultra-cool dwarf star TRAPPIST-1. It is believed to be a rocky planet with the potential for liquid water on its surface, making it a prime candidate for the search for extraterrestrial life.
    TRAPPIST-1e is an exoplanet located in the TRAPPIST-1 system. It is one of the most notable exoplanets due to its potential to support liquid water and potential habitability. TRAPPIST-1e is about 0.92 times the size of Earth and orbits its host star at a distance that places it in the star's habitable zone.
    • Planet type: Terrestrial
    • Size: Approximately 0.92 Earth radii
    • Mass: Approximately 0.62 Earth masses
    • Orbital period: About 6.1 Earth days
    • Distance from host star: Approximately 0.025 AU
  3. 3
    15
    votes
    This was the first confirmed exoplanet in the habitable zone of a Sun-like star. It is considered a "super-Earth" and has a radius about 2.4 times that of Earth.
    Kepler-22b is an exoplanet located within the habitable zone of the Kepler-22 star system. It is considered the most Earth-like exoplanet discovered to date, with similarities to our own planet in terms of size and orbit. Kepler-22b was discovered by NASA's Kepler spacecraft.
    • Distance from Earth: 622 light-years
    • Similarity to Earth: Size and orbit similarities
    • Type: Exoplanet
    • Star System: Kepler-22
    • Habitability: Located within the habitable zone
  4. 4
    17
    votes

    HD 209458 b

    Dimitar Sasselov
    This was the first exoplanet to have its atmosphere directly observed and characterized. It is a gas giant planet with a radius about 1.3 times that of Jupiter.
    HD 209458 b, also known as Osiris, is an exoplanet located approximately 153 light-years away from Earth in the constellation Pegasus. It was discovered in 1999 by a team of astronomers led by Romanian physicist Dimitar Sasselov.
    • Mass: 0.69 Jupiter masses
    • Radius: 1.38 Jupiter radii
    • Orbital Period: 3.525 days
    • Surface Temperature: 1,130°C
    • Atmospheric Composition: Hydrogen, Helium
    HD 209458 b in other rankings
  5. 5
    16
    votes
    This exoplanet is considered a "cousin" to Earth, as it is a rocky planet with a similar size and orbit around a Sun-like star. It was discovered by NASA's Kepler spacecraft.
    Kepler-452b is an exoplanet that was discovered by NASA's Kepler spacecraft. It is often referred to as Earth's 'cousin' or 'older cousin' due to its similarities in size and orbit. Kepler-452b orbits a star similar to our Sun, located approximately 1,400 light-years away from Earth in the constellation Cygnus.
    • Discovery Year: 2015
    • Discovery Method: Transit Photometry
    • Planet Type: Super-Earth
    • Radius: 1.63 times that of Earth
    • Mass: 5 times that of Earth
  6. 6
    12
    votes
    This is one of the hottest known exoplanets, with a surface temperature of over 2,500 degrees Celsius. It is a gas giant planet with a radius about 1.8 times that of Jupiter.
    WASP-12b is an exoplanet located approximately 1,400 light-years away from Earth in the constellation Auriga. It was discovered in 2008 and is known for its unique and fascinating characteristics.
    • Mass: 1.4 Jupiter masses
    • Radius: 1.8 Jupiter radii
    • Surface Temperature: Over 2,600 degrees Celsius
    • Orbital Period: Approximately 26 hours
    • Distance from Parent Star: 0.022 AU (Astronomical Units)
  7. 7
    9
    votes
    51 Pegasi b
    Kirk39 · GPL

    51 Pegasi b

    Michel Mayor and Didier Queloz
    This was the first exoplanet discovered orbiting a Sun-like star, and it revolutionized our understanding of the universe. It is a gas giant planet with a mass about half that of Jupiter.
    51 Pegasi b, also known as Dimidium, is the first exoplanet discovered orbiting a sun-like star. It was discovered in 1995 and marked a significant milestone in the field of exoplanet detection. The exoplanet is located approximately 50 light-years away from Earth, in the constellation of Pegasus. It orbits its host star, 51 Pegasi, at a very close distance, resulting in a scorching hot atmosphere.
    • Discovery: 1995
    • Distance from Earth: Approximately 50 light-years
    • Constellation: Pegasus
    • Host Star: 51 Pegasi
    • Orbital Distance: 0.05 AU (Astronomical Units)
  8. 8
    8
    votes
    This was the first rocky exoplanet discovered, and it is only about twice the size of Earth. It orbits very close to its host star and has a surface temperature of over 2,000 degrees Celsius.
    CoRoT-7b is one of the most popular exoplanets discovered to date. It is an extrasolar planet that orbits very close to its parent star, CoRoT-7, located approximately 490 light-years away in the Monoceros constellation. The exoplanet was discovered by a team of international astronomers using the CoRoT space telescope.
    • Mass: 4.8 Earth masses
    • Radius: 1.58 Earth radii
    • Orbital Period: 0.854 Earth days
    • Distance from Parent Star: 0.017 AU
    • Temperature: Approximately 2,000 Kelvin
  9. 9
    10
    votes
    This exoplanet is considered one of the most Earth-like planets discovered to date. It is a rocky planet with a similar size and orbit around a red dwarf star.
    Kepler-438b is a fascinating exoplanet located approximately 470 light-years away from Earth in the constellation of Lyra. It was discovered by NASA's Kepler space telescope.
    • Distance from Earth: Approximately 470 light-years
    • Location: Constellation Lyra
    • Discovery Method: Transit Photometry
    • Planet Class: Potentially habitable exoplanet
    • Size: 1.1 times the size of Earth
  10. 10
    6
    votes
    This exoplanet was considered a strong candidate for habitability, but its existence has been disputed. It is a rocky planet with a similar mass and orbit around a red dwarf star.
    Gliese 581g is a potentially habitable exoplanet located in the Gliese 581 system, approximately 20 light-years away from Earth. It was discovered by a team of astronomers at the University of California, Santa Cruz in 2010. Gliese 581g garnered attention due to its location within the habitable zone of its host star, where liquid water could potentially exist on the planet's surface.
    • Discovery Year: 2010
    • Location: Gliese 581 system
    • Distance from Earth: Approximately 20 light-years
    • Host Star: Gliese 581
    • Habitability: Potentially habitable
    Gliese 581g in other rankings

Missing your favorite exoplanet?

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Discussion

Ranking factors for popular exoplanet

  1. Size
    The size of the exoplanet is a key factor as it can give us clues about its composition, if it is a gas giant like Jupiter or a rocky planet like Earth.
  2. Mass
    The mass of the exoplanet can help determine its composition and density. It can also hint at the presence of an atmosphere and its potential for holding onto it.
  3. Atmosphere
    The presence of an atmosphere on the exoplanet would be an important factor. If the atmosphere is detected, its composition could provide insights into the potential habitability and the presence of any biosignatures.
  4. Orbital distance and temperature
    The distance of the exoplanet from its star, and subsequently its temperature, is crucial in understanding the exoplanet’s potential habitability. A planet that is in the habitable zone (the region where liquid water could potentially exist) would be considered more significant.
  5. Star type and age
    The type and age of the star that the exoplanet orbits play a significant role in understanding the conditions on the exoplanet itself. For example, smaller, cooler stars like red dwarfs could provide more stable environments for exoplanets, while larger, hotter stars may result in harsher conditions.
  6. Exoplanet's density
    Knowing the density of the planet would help determine if it is predominantly composed of hydrogen and helium (gas giants) or rock and metal (terrestrial).
  7. Detection method
    The method by which the exoplanet was detected is important as some methods can provide more information than others. For example, the transit method of detection provides information on the planet's size and atmosphere, while the radial velocity method gives insights into the planet's mass.
  8. Confirmations and follow-up observations
    The more confirmations and follow-up observations made of an exoplanet, the more reliable and significant it becomes. More information about a discovered exoplanet would generally make it more popular and relevant.
  9. Potential for habitability or life
    If the exoplanet has a high potential for habitability or the presence of life, it would likely be considered more significant and popular in the scientific community.
  10. Public interest and media coverage
    Finally, public interest and media coverage of the exoplanet can significantly impact its popularity amongst the general population. Exoplanets with potentially Earth-like conditions or unique characteristics often attract public attention and media coverage.

About this ranking

This is a community-based ranking of the most popular exoplanet. We do our best to provide fair voting, but it is not intended to be exhaustive. So if you notice something or exoplanet is missing, feel free to help improve the ranking!

Statistics

  • 1978 views
  • 189 votes
  • 10 ranked items

Voting Rules

A participant may cast an up or down vote for each exoplanet once every 24 hours. The rank of each exoplanet is then calculated from the weighted sum of all up and down votes.

More information on most popular exoplanet

Exoplanets, also known as extrasolar planets, are planets located outside of our solar system. They orbit around stars other than the Sun and can range in size from small, rocky planets to large gas giants. In recent years, the discovery of exoplanets has increased dramatically thanks to advances in technology and observation techniques. As of 2021, over 4,000 exoplanets have been confirmed, and scientists estimate that there may be billions more waiting to be discovered. One of the most popular exoplanets among astronomers and space enthusiasts alike is the potentially habitable planet Proxima b, located in the habitable zone of the closest star to our solar system, Proxima Centauri. However, there are many other fascinating exoplanets out there waiting to be explored and studied.

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