HD 10180 is a Sun-like star in the southern constellation Hydrus that is notable
for its large planetary system. Since its discovery, at least seven planets, and
possibly as many as nine, have been observed orbiting it, making it potentially
the largest of all known planetary systems, including the Solar System.
NASA Found A New Planet Just Outside Our Solar System. Here's ...
Mar 8, 2019 ...HD 21749b is three times the diameter of Earth and 23 times the mass, ... There
is no equivalent planet in our solar system, and we don't know ...
The planet+star system was observed for 33 consecutive hours, starting ... NASA
released a brightness map of the surface temperature of HD 189733 b; it is the
first map ever published of an extra-solar planet.
HD 209458 b, also given the nickname Osiris, is an exoplanet that orbits the solar
analog HD 209458 in the constellation Pegasus, some 159 light-years from the
Solar System. The radius of the planet's orbit is 7 million kilometres, about 0.047
Discovery Alert: TESS Finds Its First Earth-Sized Planet – Exoplanet ...
Apr 15, 2019 ... The planet, HD 21749c, is about 89% Earth's diameter. ... constellation Reticulum
, and is the second planet TESS has identified in the system.