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Narrator: TESS, the Transiting Exoplanet Survey Satellite,

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is NASA’s newest planet hunter. [TEXT: TESS’s first year of science] Here are some of the noteworthy

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discoveries from its first year. In September,

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the TESS team released its first sector image, a large strip of sky monitored[TEXT: First science image]

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for 27 days. By the end of 2018,
[TEXT: First planets]

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astronomers announced the missions first new exoplanets. A few months later,

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astronomers announced the discovery of TESS’s first Earth-size exoplanet.
[TEXT: Earth-size exoplanet, HD 21749 c]

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The multiplanet systems TESS is finding have much
[TEXT: Multiplanet systems]

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to teach us. TESS has also spotted comets, both in our
[TEXT: Comet C/2018 N1]

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own solar system and orbiting other stars. TESS’s cameras
[TEXT: Beta Pictoris comets]

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even catch many supernovae, bright explosions that mark the deaths of
[TEXT: Spotting supernovae]

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stars, from their very start. After just one

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year, TESS has already expanded our understanding of new worlds

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close home and exploding stars beyond our galaxy.