Updated By: LatestGKGS Desk
The National Aeronautics and Space Administration (NASA) of United States has discovered a third new planet 'HD21749b' by its Transiting Exoplanet Survey Satellite (TESS) mission.
The new planet HD 21749b is outside our solar system and orbits a dwarf star 53 light years away.
HD 21749b orbits a bright star in the constellation Reticulum. It has the longest orbital period of all the three discoveries made by TESS.
HD 21749b orbits its star in a relatively leisurely 36 days. It is predicted that the surface of the new planet is likely around 300 degrees Fahrenheit, which is relatively cool, given its proximity to its star, which is almost as bright as the sun.
The Transiting Exoplanet Survey Satellite (TESS) mission of NASA is an explorer mission which is undertaking an all-sky survey to search for planets transiting nearby stars.
The objective of the TESS mission is to discover planets smaller than Neptune that transit stars bright enough to enable follow-up spectroscopic observations that can provide planet masses and atmospheric compositions.
The other two discoveries made by the TESS probe are Pi Mensae b and LHS 3844b. Pi Mensae b has an orbit of 6.3 days and LHS 3844b has an orbit of just 11 hours.
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