by Ludwig Scheibe | Aug 26, 2024 | Ask an Astronomer
Question: How far away from us are the extrasolar planets we have found so far? Answer: by Ludwig Scheibe, TU Berlin The nearest star to our Sun is the Dwarf star Proxima Centauri, part of the Alpha Centauri trinary star system, and indeed we have actually found at...
by Ludwig Scheibe | Aug 26, 2024 | Ask an Astronomer
Question: How exactly is a planet defined? How are planets distinguished from e.g. stars, brown dwarfs, moons etc? Answer: by Dane Späth, University of Heidelberg Planets are celestial bodies that are in orbit around a star (in the case of Earth, this is our sun),...
by Ludwig Scheibe | Aug 26, 2024 | Ask an Astronomer
Question: How are extrasolar planets usually classified in terms of their sizes or composition? Answer: by Dane Späth, University of Heidelberg A general classification of exoplanets is difficult to achieve and is heavily discussed among researchers, because the...
