Produced by: Mohsin Shaikh
HD 20794 d, just 20 light-years away, may be a habitable exoplanet orbiting a Sun-like star.
The planet’s orbit places it in the habitable zone—where liquid water could exist—for part of its year.
HD 20794 d’s elongated orbit means it swings between freezing and habitable temperatures.
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With a mass nearly six times Earth’s, its density is still unknown—rocky world or mini-Neptune?
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Orbiting a stable, Sun-like yellow dwarf, this planet offers intriguing parallels to Earth.
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Detected through tiny shifts in its star’s spectrum, its signal challenged the limits of technology.
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At only 20 light-years away, this exoplanet might be close enough for future space missions to image.
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Its partial habitability and unknown composition spark debate about its potential for life.
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HD 20794 d might be one of the closest Earth-like planets—pending further exploration.