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Terrestrial planet orbiting the star Proxima Centauri
Proxima Centauri b is an exoplanet orbiting within the habitable zone of the red dwarf star Proxima Centauri in the constellation Centaurus. It can also
Proxima_Centauri_b
Nearest star to the Solar System
Proxima Centauri is the nearest star to Earth after the Sun, located 4.25 light-years (1.3 parsecs) away in the southern constellation of Centaurus. Discovered
Proxima_Centauri
Sub-Earth orbiting Proxima Centauri
Proxima Centauri d (also called Proxima d) is a confirmed exoplanet orbiting the red dwarf star Proxima Centauri, the closest star to the Sun and part
Proxima_Centauri_d
Star system in the Centaurus constellation
three stars: Rigil Kentaurus (α Centauri A), Toliman (α Centauri B), and Proxima Centauri (α Centauri C). Proxima Centauri is the closest star to the Sun
Alpha_Centauri
Exoplanet candidate orbiting Proxima Centauri
Proxima Centauri c (also called Proxima c or Alpha Centauri Cc) is a disputed exoplanet candidate, proposed to be orbiting the red dwarf star Proxima
Proxima_Centauri_c
Disproven exoplanet orbiting Alpha Centauri B
identified probably did not exist. Proxima Centauri b (Alpha Centauri Cb) Proxima Centauri c Alpha Centauri Bc Alpha Centauri in fiction Project Longshot Dumusque
Alpha_Centauri_Bb
Interstellar probe project
proposed to Proxima Centauri b, an Earth-sized exoplanet in the habitable zone of its host star, Proxima Centauri, in the Alpha Centauri system. At a
Breakthrough_Starshot
away. The first confirmed exoplanet discovered in the Proxima Centauri system was Proxima Centauri b, in 2016. HD 219134 (21.6 ly) has six exoplanets, the
List_of_nearest_exoplanets
Super-Earth orbiting Luyten's Star
light-years. Only Proxima Centauri b, Ross 128 b, and GJ 1061 d are closer. Discovered alongside Gliese 273c in June 2017, Luyten b is a super-Earth of
Luyten_b
Super-Earth orbiting LHS 1140
water-rich geysers. Nearby potentially habitable exoplanets Proxima Centauri b Ross 128 b Luyten b TRAPPIST-1d TRAPPIST-1e TRAPPIST-1f TRAPPIST-1g K2-3d, a
LHS_1140_b
Potentially habitable exoplanet
(Astronomical units), with a 10.3 day orbital period and a 0.0 eccentricity. Proxima Centauri b, a potentially habitable planet of similar physical characteristics
GJ_1002_b
Narrowband radio signal detected in April and May 2019
inconsistent with what would be caused by the movement of Proxima b, a planet of Proxima Centauri. The Doppler shift in the signal was the opposite of what
BLC1
Spanish astronomer
campaign, which resulted in the confirmation of the existence of Proxima Centauri b, the closest potentially habitable extrasolar planet to Earth, followed
Guillem_Anglada-Escudé
planet in the habitable zone of Proxima Centauri, the closest star to Earth (not counting the Sun). Called Proxima b, the planet is 1.3 times the mass
List of nearest terrestrial exoplanet candidates
List_of_nearest_terrestrial_exoplanet_candidates
Possible existence of liquid water beyond Earth
life than the one around Proxima Centauri, called Proxima b. Amos, Jonathan (24 August 2016). "Neighbouring star Proxima Centauri has Earth-sized planet"
List of extrasolar candidates for liquid water
List_of_extrasolar_candidates_for_liquid_water
Red dwarf star in the constellation Horologium
known terrestrial exoplanets in the habitable zone, after Proxima Centauri b and Ross 128 b. GJ 1061 is a non-variable star that does not suffer flares
GJ_1061
Confirmed terrestrial exoplanet orbiting Ross 128
massive than the similar and nearby Proxima Centauri b, with a minimum mass of 1.27 M🜨. The low mass of Ross 128 b implies that it is most likely a rocky
Ross_128_b
Orbits where planets may have liquid surface water
Milky Way. About 11 billion of these may be orbiting Sun-like stars. Proxima Centauri b, located about 4.2 light-years (1.3 parsecs) from Earth in the constellation
Habitable_zone
American television series
of would-be colonists away from a devastated Earth to a new home, Proxima Centauri B. The ship suffers a catastrophic event that kills almost all of the
The_Ark_(TV_series)
Planetary atmosphere boundary
Determines which Planets Have Atmospheres, and what this May Mean for Proxima Centauri B". The Astrophysical Journal. 843 (2): 122. arXiv:1702.03386. doi:10
Cosmic_shoreline
Finnish astronomer
most known for his contributions to the discovery of the exoplanet Proxima Centauri b together with other scientists at the University of Hertfordshire
Mikko_Tuomi
Red dwarf star in the constellation Aquarius
is in a comparable position within the habitable zone to that of Proxima Centauri b, which also has an Earth-like density. TRAPPIST-1e could have retained
TRAPPIST-1
launched in 2017, following the Pale Red Dot campaign which discovered Proxima Centauri b. The Arecibo Observatory, the National Science Foundation and the
Red_Dots_Campaign
Planet with environment similar to Earth's
17 April 2014. Brugger, B.; et al. (10 November 2016). "POSSIBLE INTERNAL STRUCTURES AND COMPOSITIONS OF PROXIMA CENTAURI b". The Astrophysical Journal
Earth_analog
Star at the centre of the Solar System
potentially habitable exoplanet was found to be orbiting Proxima Centauri, called Proxima Centauri b, the closest confirmed exoplanet to the Sun. The Solar System
Sun
Star in the constellation Centaurus
Sigma Centauri is a solitary star in the southern constellation of Centaurus. Its name is a Bayer designation that is Latinized from σ Centauri, and abbreviated
Sigma_Centauri
American astronomer
Turnbull worked with Stephen Kane to place constraints on the mass of Proxima Centauri b, the nearest exoplanet to the Solar System. Asteroid 7863 Turnbull
Margaret_Turnbull
Estimate of the spectral density of a signal
Prentice-Hall. pp. 415. ISBN 0-13-914101-4. "Do-it-yourself Science — is Proxima c hiding in this graph?". www.eso.org. Retrieved 11 September 2017. Engelberg
Periodogram
Topics referred to by the same term
star system, Proxima (α Cen C) Alpha Centauri AB (binary star) Alpha Centauri (disambiguation) B Centauri (disambiguation) b Centauri b This disambiguation
Alpha_Centauri_b
Star in the constellation Piscis Austrinus
is the second-nearest known exoplanet in the habitable zone after Proxima Centauri b, though it is significantly more massive than Earth and its composition
Gliese_887
Topics referred to by the same term
individual stars are named Alpha Centauri A, Alpha Centauri B, and Proxima Centauri. Alpha Centauri may also refer to: Alpha Centauri (Doctor Who), an alien in
Alpha Centauri (disambiguation)
Alpha_Centauri_(disambiguation)
Pablo A. (1 January 2020). "A low-mass planet candidate orbiting Proxima Centauri at a distance of 1.5 AU". Science Advances. 6 (3) eaax7467. Bibcode:2020SciA
List_of_exoplanet_extremes
Starship inhabited for multiple generations
"Computing the minimal crew for a multi-generational space travel towards Proxima Centauri b". arXiv:1806.03856 [astro-ph.IM]. Kim Stanley Robinson (January 13
Generation_ship
Star in the constellation Centaurus
Tau Centauri is a solitary star in the southern constellation of Centaurus. Its name is a Bayer designation that is Latinized from τ Centauri, and abbreviated
Tau_Centauri
NASA mission to study stars as clues of life on exoplanets
focused on the spectra of Alpha Centauri A and B in the Alpha Centauri system which contains three stars and Proxima Centauri b, the closest exoplanet to the
SISTINE
Hypothetical travel between stars or planetary systems
On August 24, 2016, Earth-size exoplanet Proxima Centauri b orbiting in the habitable zone of Proxima Centauri, 4.2 light-years away, was announced. This
Interstellar_travel
becomes the second-nearest known exoplanet in the habitable zone after Proxima Centauri b. The UK's first long‑distance robotic-assisted surgery is reported
2026_in_science
Estimate of extraterrestrial civilizations
· ne is roughly 0.4. The nearest planet in the habitable zone is Proxima Centauri b, which is as close as about 4.2 light-years away. The consensus at
Drake_equation
Candidate exoplanet orbiting Alpha Centauri A
Alpha Centauri Ab (also known as Rigil Kentaurus b, or originally as Candidate 1) is a candidate exoplanet that was first directly imaged around Alpha
Alpha_Centauri_Ab
2016 documentary series
paradox and the dangers of artificial intelligence in a visit to Proxima Centauri b. Episode 3 continues Hawking's fears regarding AI, as well as his
Stephen Hawking's Favorite Places
Stephen_Hawking's_Favorite_Places
Triple star system in the constellation Centaurus
Xi2 Centauri is a triple star system in the southern constellation of Centaurus. Its name is a Bayer designation that is Latinized from ξ2 Centauri, and
Xi2_Centauri
Extrasolar planet orbiting the star Gliese 367
Gliese 367 b is the smallest-known exoplanet within 10 parsecs of the Solar System that has a measured radius, though Proxima Centauri d and the planets
Gliese_367_b
Planetary system consisting of the Sun and objects orbiting it
potentially habitable exoplanet was found to be orbiting Proxima Centauri, called Proxima Centauri b, the closest confirmed exoplanet to the Sun. The Solar System
Solar_System
worldbuilding characteristics". The Alpha Centauri system is the closest star system to Earth—with Proxima Centauri being the closest of the system's stars—which
Stars_in_fiction
Life that does not originate on Earth
possibly number in the trillions. The nearest known exoplanet is Proxima Centauri b, located 4.2 light-years (1.3 pc) from Earth in the southern constellation
Extraterrestrial_life
Binary star system in the constellation Centaurus
Upsilon2 Centauri is a binary star system in the southern constellation Centaurus. Its name is a Bayer designation that is Latinized from υ2 Centauri, and
Upsilon2_Centauri
Situation in which an astronomical object's orbital period matches its rotational period
with Earth is unknown. The exoplanet Proxima Centauri b discovered in 2016 which orbits around Proxima Centauri, is almost certainly tidally locked, expressing
Tidal_locking
Zapatero (1 February 2022). "A candidate short-period sub-Earth orbiting Proxima Centauri". Astronomy & Astrophysics. 658: A115. arXiv:2202.05188. Bibcode:2022A&A
List of potentially habitable exoplanets
List_of_potentially_habitable_exoplanets
Star in the constellation Centaurus
Xi1 Centauri is a solitary star in the southern constellation of Centaurus. Its name is a Bayer designation that is Latinized from ξ1 Centauri, and abbreviated
Xi1_Centauri
Planet outside of the Solar System
red dwarf, was reported in April 2014. Proxima Centauri b, a planet in the habitable zone of Proxima Centauri, the nearest known star to the solar system
Exoplanet
Possible factors for life around red dwarf stars
luminous red dwarf like Lacaille 8760 to 0.032 AU for a smaller star like Proxima Centauri. Such a world would have a year lasting just 3 to 150 Earth days. Photosynthesis
Habitability of red dwarf systems
Habitability_of_red_dwarf_systems
Concept of permanent human habitation outside of Earth
"Computing the minimal crew for a multi-generational space travel towards Proxima Centauri b". Journal of the British Interplanetary Society. 71: 45. arXiv:1806
Space_colonization
Planetary nebula in the constellation Centaurus
Centaurus in Chinese astronomy Stars Bayer α A (Rigil Kentaurus) B (Toliman) C (Proxima Centauri) β (Hadar) γ δ ε ζ (Leepwal) η θ (Menkent) ι (Kulou) κ λ μ
Southern_Crab_Nebula
Super-Earth orbiting Kepler-1229
.822...86M. doi:10.3847/0004-637X/822/2/86. S2CID 20832201. "Kepler-1229 b". NASA Exoplanet Science Institute. 10 May 2016. Archived from the original
Kepler-1229b
Large, round non-stellar astronomical object
order of discovery within its planetary system, such as Proxima Centauri b. (The lettering starts at b, with a considered to represent the parent star.) The
Planet
EP 2024 "Aside" Aside 2025 "Devotion and Desire (2025)" Devotion and Desire (2025) 2026 "Monsters" Anywhere but Here "Battle Scars" Proxima centauri b
Bayside_discography
Day of the year
as far as Rome and Florence. Around 300 people are killed. 2016 – Proxima Centauri b, the closest exoplanet to Earth, is discovered by the European Southern
August_24
Star in the constellation Centaurus
Chi Centauri is a blue-white star in the southern constellation of Centaurus. Its name is a Bayer designation that is Latinized from χ Centauri, and abbreviated
Chi_Centauri
Terrestrial planet orbiting L 98-59
1678 b, and was the lowest-mass planet whose mass had been measured using radial velocities until Proxima Centauri d was found in 2022. L 98-59 b orbits
L_98-59_b
Astronomic function
Applying this method on Proxima Centauri, the closest star to the Solar System, led to the discovery of Proxima Centauri b, a terrestrial planet with
Binary_mass_function
American geneticist (born 1952)
2019 – What is True for E. coli on Earth Will Be True for Life on Proxima Centauri b". University of Berkeley. Archived from the original on October 9
Gary_Ruvkun
and receive images of the Proxima Centauri system, along with, possibly, the potentially habitable planet Proxima Centauri b, by midcentury. 2004 saw the
History_of_technology
Goldilocks terrestrial planet orbiting TOI-700
Kepler-62f Kepler-186f Kepler-442b LHS 1140 b List of potentially habitable exoplanets Proxima Centauri b TRAPPIST-1 e Gilbert, Emily A.; Barclay, Thomas;
TOI-700_d
Binary star system in the constellation Centaurus
Rho Centauri is a binary star system in the southern constellation of Centaurus. Its name is a Bayer designation that is Latinized from ρ Centauri, and
Rho_Centauri
Red dwarf in the constellation Dorado
Kepler-442b LHS 1140 b List of potentially habitable exoplanets Proxima Centauri b TRAPPIST-1e Andreolo, Claire; Cofield, Calla; Kazmierczak, Jeanette (6
TOI-700
Types of planet by chemical mass
ISSN 2041-8205. Rouan, D.; Deeg, H. J.; Demangeon, O.; Samuel, B.; Cavarroc, C.; Fegley, B.; Léger, A. (2011-11-10). "The Orbital Phases and Secondary Transits
List_of_planet_types
studies of the genetic problems involved in the longer journey to Proxima Centauri b (6,000+ years). Other studies, focused on interstellar settlement
Colonization_of_Mars
NASA concept for uncrewed probe - possibly a light sail
search for signs of life on planets orbiting stars in and around the Alpha Centauri system. The announcement was at the annual conference of the American Geophysical
2069_Alpha_Centauri_mission
star's distance from Earth. Proxima Centauri, the closest star to the Solar System, has at least two planets (the confirmed b, d and the disputed c). The
List of multiplanetary systems
List_of_multiplanetary_systems
Science-based program founded in 2015
include a flyby of Proxima Centauri b, an Earth-sized exoplanet that is in the habitable zone of its host star in the Alpha Centauri system. From a distance
Breakthrough_Initiatives
List of important events in the history of astronomy
directly detect gravitational waves. Exoplanet Proxima Centauri b is discovered around Proxima Centauri by the European Southern Observatory, making it
Timeline_of_astronomy
Red dwarf star in the constellation Ophiuchus
11,800 CE, when it will approach to within about 3.75 light-years. Proxima Centauri is the closest star to the Sun at a current position of 4.24 light-years
Barnard's_Star
British scientific journal
Oberbaum, M.; Robinzon, B.; Miadonnai, A.; Tedeschi, A.; Pomeranz, B.; Fortner, P.; Belon, P.; Sainte-Laudy, J.; Poitevin, B.; Benveniste, J. (June 1988)
Nature_(journal)
Study of exoplanet atmospheres
same models were used to investigate the climates of planets such as Proxima Centauri b and the now-refuted Gliese 581g. These studies simulated what atmospheric
Exometeorology
Substance providing scientific evidence of past or present life
miles) away from Earth, the closest potentially habitable exoplanet is Proxima Centauri b, which was discovered in 2016. This means it would take more than
Biosignature
Intergovernmental observatory in Chile
1980. In 2015, Guillem Anglada-Escudé confirmed the existence of Proxima Centauri b at the Southern Observatory. Chajnantor (1999) Paranal (1998) ELT
European_Southern_Observatory
Earth-size exoplanet orbiting Kepler-1649
Kepler-62f Kepler-186f Kepler-442b LHS 1140 b List of potentially habitable exoplanets Proxima Centauri b TRAPPIST-1 e Habitability of red dwarf systems
Kepler-1649c
Likely extrasolar planet in the constellation Hydra
TW Hydrae b is a likely Neptune-like extrasolar planet orbiting at a distance of nearly 22 AU from the young T Tauri star TW Hydrae approximately 176
TW_Hydrae_b
the first solar-powered aircraft to circumnavigate the Earth. 2016: Proxima Centauri b is discovered as closest exoplanet to Earth that may be habitable
2010s in science and technology
2010s_in_science_and_technology
Small star in constellation of Virgo
nearest star in Virgo, and so is occasionally called "Proxima Virginis" by analogy with Proxima Centauri. This low-mass star has a stellar classification of
Ross_128
Echelle spectrograph on ESO VLT, Chile
team led by A. Suárez Mascareño confirmed the existence of the exoplanet Proxima b, finding it to be about 1.17 times the mass of Earth—smaller than the
ESPRESSO
Constellation in the southern celestial hemisphere
approximately 4000 years. Alpha Centauri is a triple star system composed of a binary system orbited by Proxima Centauri, currently the nearest star to
Centaurus
How large a sphere or circle appears
angular diameter of the Sun is also about 250,000 times that of Alpha Centauri A (it has about the same diameter and the distance is 250,000 times as
Angular_diameter
Super Neptune in a circumbinary orbit
naked eye. Optical Gravitational Lensing Experiment (OGLE) 47 Ursae Majoris b OGLE-2005-BLG-390Lb OGLE-2006-BLG-109Lb The initial paper intentionally refers
OGLE-2007-BLG-349Lb
Closest known white dwarf star to Earth
Sirius B is a white dwarf star and the faint companion to Sirius A, the brightest star in Earth's night sky (also known as the "Dog Star"), located in
Sirius_B
Red dwarf star in the constellation Cetus
With a spectral type of M5.5V, this star is a red dwarf similar to Proxima Centauri. It has 12% the mass and 14% the radius of the Sun, and a temperature
GJ_1002
List of largest planets by size
Cristina; Rodriguez, Eloy (2017). "ALMA Discovery of Dust Belts Around Proxima Centauri". The Astrophysical Journal. 850 (1): L6. arXiv:1711.00578. Bibcode:2017ApJ
List_of_largest_exoplanets
Red dwarf in the constellation Leo
of the nearest stars to the Sun with only the Alpha Centauri system (including Proxima Centauri), Barnard's Star, and the brown dwarfs Luhman 16 (WISE
Wolf_359
Planet smaller than Earth
There is a confirmed sub-Earth orbiting Proxima Centauri, the closest star to the Sun. The mass of Proxima d is believed to be between that of Mars and
Sub-Earth
as well as 4 sub-brown dwarfs. The closest system is Alpha Centauri, with Proxima Centauri as the closest star in that system, at 4.2465 light-years from
List_of_nearest_stars
Star in the constellation Cygnus
planets, in a general study of stars. Kepler-62 Gliese 667 TRAPPIST-1 Proxima Centauri b K-type main-sequence star Red dwarf Kepler-442 Barnard's Star SIMBAD
Kepler-186
Brightness of a celestial object observed from the Earth
1086/345985. S2CID 1626564. Siegel, Ethan (6 September 2016). "Ten Ways 'Proxima b' Is Different From Earth". Forbes. Retrieved 19 February 2023. "Supernova
Apparent_magnitude
Institute that studies exoplanetary habitability
2017 - Early Earth as a proxy for hazy exoplanets August 2016 - Is Proxima Centauri b habitable? Astronomy portal Biology portal Astrobiology Astrochemistry
Virtual_Planetary_Laboratory
Small number of stars that orbit each other
outlying red dwarf, Proxima Centauri. Together, Rigil Kentaurus and Toliman form a physical binary star, designated as Alpha Centauri AB, α Cen AB, or RHD
Star_system
Red dwarf star in the constellation Cygnus
discovery, Wolf 1069 b is the sixth-closest known Earth-mass planet within the conservatively defined habitable zone, after Proxima Centauri b, GJ 1061 d, Teegarden's
Wolf_1069
Detecting planets located outside the Solar System
Dot campaign announced the discovery of Proxima b. Orbiting the closest star to the Solar System, Proxima Centauri, the 1.3 Earth-mass exoplanet orbits within
Discoveries_of_exoplanets
Super-Jupiter exoplanet orbiting 38 Virginis
38 Virginis b is a super-Jupiter exoplanet orbiting within the habitable zone of the star 38 Virginis about 108.5 light-years (33.26 parsecs) from Earth
38_Virginis_b
Planetary nebula in the constellation Centaurus
astronomiques de Strasbourg. Retrieved 2012-11-26. Boffin, H. M. J.; Miszalski, B.; Rauch, T.; Jones, D.; Corradi, R. L. M.; Napiwotzki, R.; Day-Jones, A. C
Fleming_1
Binary star in the constellation Cetus
(October 2016). "The red dwarf pair GJ65 AB: inflated, spinning twins of Proxima. Fundamental parameters from PIONIER, NACO, and UVES observations". Astronomy
Gliese_65
Soviet, Russian and American scientist
delivered to the potentially habitable inner planet Proxima Centauri b from the feeding zone of Proxima Centauri c, located beyond the ice line, could exceed
Sergei_Ipatov
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