LHS 1140 b Planet

LHS 1140 b Planet: Size, Mass, Gravity, Surface Temperature, Oxygen, Habitable, Atmosphere, Distance, Facts

LHS 1140 b Planet

Unveiling LHS 1140 b

Explore the depths of space with LHS 1140 b, a super Earth exoplanet orbiting a dim M-type star. Discovered in 2017 by the MEarth Project, this celestial body beckons with the promise of unlocking secrets to habitability.

LHS 1140 b Size Compared to Earth

LHS 1140 b is approximately 70% larger in radius than Earth, putting it within the super-Earth category of planets.

LHS 1140 b Mass Compared to Earth in Percentage

The mass of LHS 1140 b is approximately 5.6 times that of Earth, making it a significantly more massive exoplanet.

LHS 1140 b Surface Gravity Compared to Earth

The surface gravity of LHS 1140 b is not explicitly provided, but its higher mass implies a significantly stronger gravitational pull compared to Earth.

LHS 1140 b planet compared to earth

Surface Temperature of LHS 1140 b

The equilibrium temperature of LHS 1140 b is 226 K (−47 °C; −53 °F).

Does LHS 1140 b Have Oxygen

The available information does not specify whether LHS 1140 b has oxygen. Determining the composition of an exoplanet's atmosphere typically requires direct observational data.

Is LHS 1140 b Habitable

The habitability of LHS 1140 b is uncertain and depends on its atmospheric composition. It orbits within the habitable zone of its host star, but recent studies suggest two potential scenarios: it could be a dense mini-Neptune or an ocean world with 9-19% of its mass composed of water. The outcome is crucial for its habitability, and further observations, possibly by the James Webb Space Telescope, may provide more insights.

LHS 1140 b Atmosphere Composition

The atmosphere composition of LHS 1140 b is uncertain. It was initially thought to be a dense rocky planet, but recent refined measurements indicate the possibility of a dense mini-Neptune or an ocean world with a significant water mass fraction.

LHS 1140 b Distance from Earth in Light Years

LHS 1140 b is located approximately 49 light-years away from Earth in the constellation Cetus.

LHS 1140 b planet

10 Interesting Fun Facts About LHS 1140 b

  1. Discovery: LHS 1140 b was discovered in 2017 by the MEarth Project using the transit method.
  2. Mass and Radius: A 2023 study reevaluated the mass and radius of LHS 1140 b, finding it to be 5.6 times Earth's mass and having a radius of 1.730 R🜨. This places it in a unique category, potentially an ocean world or dense mini-Neptune.
  3. Habitable Zone: LHS 1140 b orbits entirely within the habitable zone of its red dwarf star, receiving 43% of the incident flux of Earth.
  4. Proximity to Star: Although close to its star, LHS 1140 b is in a habitable zone due to the star's dimness. It receives only 0.43 times the incident flux of Earth.
  5. Uncertain Composition: Recent studies suggest two scenarios for LHS 1140 b's composition: a dense mini-Neptune or an ocean world with 9-19% of its mass as water.
  6. Potential for Liquid Water: The potential presence of liquid water on the surface makes LHS 1140 b a fascinating target for habitability studies.
  7. Comparison to TRAPPIST-1: LHS 1140 is considered one of the most interesting exoplanet systems after TRAPPIST-1, with lower stellar activity.
  8. Observational Challenge: Distinguishing between a thick, water-friendly atmosphere and a water-covered surface has proven challenging with current observations.
  9. Possible JWST Study: Researchers have applied to study LHS 1140 with the James Webb Space Telescope to investigate its atmosphere or water abundance.
  10. Habitability Modeling: Depending on the atmospheric composition, LHS 1140 b could have habitable surface conditions, making it a potential target in the search for extraterrestrial life.

Probing the Potential for Life

A Closer Look

Dive into the characteristics of LHS 1140 b, a planet approximately 5.6 times the mass of Earth and 70% larger in radius. Initially perceived as rocky, recent measurements indicate a lower density, sparking debates about its true nature—a water world with 9-19% water mass or a dense mini-Neptune.

Ambiguity in Composition

Embark on a cosmic journey of ambiguity as scientists grapple with the enigma of LHS 1140 b's composition. Could it be a rocky planet with a light atmosphere, or does it conceal a vast ocean beneath its exterior? The James Webb Space Telescope holds the key to unraveling this celestial puzzle.

The Potential Water World

LHS 1140 b's Water Odyssey

Delve into the captivating prospect of LHS 1140 b being a water world. Recent studies hint at the possibility of a planet covered in ice, harboring pockets of liquid water. The James Webb Space Telescope might soon offer a glimpse into this aquatic realm and, potentially, the search for extraterrestrial life.

Comparative Habitability

Contrast the LHS 1140 system with its more renowned counterpart, TRAPPIST-1. While TRAPPIST-1's planets face challenges with atmospheric erosion, LHS 1140's quieter star raises the intriguing prospect of a more stable environment for potential habitability.

LHS 1140 b exoplanet atmosphere

Charting LHS 1140 b's Celestial Dance

Orbit and Climate

Witness the orbital ballet of LHS 1140 b as it completes a swift 24.7-day orbit around its host star. Positioned at 0.0957 AU, this super Earth dances on the edge of the habitable zone, prompting questions about its climate stability and potential for liquid water.

A Cosmic Conundrum

Navigate through the complexities of LHS 1140 b's characteristics, from its mass and radius to its peculiar composition. The interplay of observational data leaves astronomers in awe and uncertainty, emphasizing the need for continued exploration and study.

The Star Behind the Mystery

LHS 1140: A Dim Luminary

Explore the characteristics of LHS 1140, the red dwarf star that guides the destiny of LHS 1140 b. With a mere 18.4% of the mass and 21.6% of the radius of the Sun, this ancient star offers a unique backdrop to the potential habitability of its planetary companion.

A Stellar Enigma

Unravel the mysteries of LHS 1140's inactivity, low activity levels, and a rotational period of 130 days. Contrast its features with the more active TRAPPIST-1, underscoring the potential habitability allure of LHS 1140.

Into the Abyss: LHS 1140 b's Interior and Atmosphere

Composition Reimagined

Embark on a journey through the shifting understanding of LHS 1140 b's composition, from initially dense rocky predictions to the recent revelation of its potential as an ocean world or dense mini-Neptune.

Glimpses of Atmosphere

Peer into the realm of LHS 1140 b's atmosphere, with tantalizing hints of water vapor detected by the Hubble Space Telescope. As astronomers strive to unravel the atmospheric mysteries, the quest for habitability takes an intriguing turn.

Nearing the Frontier of Discovery

Awaiting JWST's Gaze

Anticipate the future as astronomers apply for observations with the James Webb Space Telescope. The hope lingers that JWST's discerning eye might reveal the true nature of LHS 1140 b, making it a paramount candidate in the ongoing search for liquid water beyond our solar system.

LHS 1140 b: Awaiting Revelation

Contemplate the potential significance of confirming LHS 1140 b as a water world, offering a groundbreaking indirect detection of liquid water on an exoplanet. As the quest for habitable worlds intensifies, LHS 1140 b stands as a celestial enigma awaiting revelation.

In the vast tapestry of exoplanetary exploration, LHS 1140 b emerges as a compelling yet mysterious protagonist. As scientists and astronomers continue their cosmic detective work, the potential for liquid oceans and habitable atmospheres beckons, inviting us to peer into the depths of the LHS 1140 system and ponder the tantalizing question of extraterrestrial life.

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