NASA discovers a rare Neptune-sized planet and its bizarre mystery will shock you
NASA scientists have discovered an exoplanet, Neptune-sized planet, TOI-3261 b, where a year lasts just 21 Earth hours. The ultra-hot planet makes a scorchingly close orbit around its host star, resulting in its extremely short year, NASA said. Only the fourth object of its kind ever found, the planet could reveal clues as to how planets such as these form.
NASA discovers Neptune-sized planet
TOI-3261 b was discovered by an international team of scientists using NASA's Transiting Exoplanet Survey Satellite (TESS), with follow-up observations from ground-based telescopes in Australia, Chile, and South Africa.
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The measurements placed the new planet squarely in the “hot Neptune desert” – a category of planets with so few members that their scarcity evokes a deserted landscape, NASA explained.
«This variety of exoplanet is similar to our own Neptune in size and composition, but orbits extremely closely to its star. In this case, a “year” on TOI-3261 b is only 21 hours long. Such a tight orbit earns this planet its place in an exclusive group with, so far, only three other members: ultra-short-period hot Neptunes whose masses have been precisely measured,» NASA said in a statement.
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