Tag Archive for 'HD 21749b'

An artist’s conception of HD 21749c, the first Earth-sized planet found by NASA’s Transiting Exoplanets Survey Satellite (TESS), as well as its sibling, HD 21749b, a warm sub-Neptune-sized world. Image credit: Robin Dienel / Carnegie Institution for Science.

HD 21749c: TESS Discovers Its First Earth-Sized Exoplanet

Apr 17, 2019 by News Staff

NASA’s Transiting Exoplanets Survey Satellite (TESS) has discovered its first Earth-sized planet — HD 21749c. An artist’s conception of HD 21749c,...

TESS discovered three small exoplanets around nearby stars. Image credit: NASA’s Goddard Space Flight Center / MIT News.

TESS Discovers Its Third Small Exoplanet: Sub-Neptune HD 21749b

Jan 9, 2019 by News Staff

NASA’s Transiting Exoplanet Survey Satellite (TESS) has discovered its third small exoplanet, named HD 21749b. The discovery will be reported in a paper...