NASA’s TESS probe discovers an exoplanet about three times the size of the Earth0

• TECHNOLOGY
• February 10, 2019

Artistic illustration of TESS spacecraft observing the exoplanet. Image: NASA’s Goddard Space Flight Centre NASA’s planet hunting probe TESS has discovered a third exoplanet outside our Solar System. Dubbed HD 21749b, it is described as a “sub-Neptune” exoplanet but is about three times the size of the Earth. According to Scientists, HD 21749b orbits a dwarf star which