A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
Questions about centaurs, small Solar System bodies with orbits between Jupiter and Neptune.
Questions regarding non-baryonic matter, most notably, matter with negative mass or imaginary mass, such as tachyons.
Questions regarding the comet 67P/Churyumov-Gerasimenko.
A hypergiant (luminosity class 0 or Ia+) is a star with an enormous mass and luminosity, showing signs of a very high rate of mass loss.
Questions related to Kuiper Belt Objects that exist in an annulus from 30AU to approximately 50AU from the Earth's Sun.
Questions regarding chthonians, a hypothesised class of exoplanets that are the remnant cores of hot Jupiters.
Questions about the origin of life. Consider also using "astrobiology".
Questions about planetary dust storms, such as those on Mars and Titan
Questions about the upcoming European Extremely Large Telescope.
Questions about the conjectureed hybrid star, consisting of a red (super)giant with a neutron star at its core.
A hypernova is a very energetic supernova thought to result from an extreme core-collapse scenario. In this case a massive star collapses to form a rotating black hole emitting twin energetic jets and…
Questions about or making use of statistical techniques from Artifical Intelligence and Machine Learning. Use also when the question is about deep learning.
Questions about CCD-sensors, i.e. light-sensitive electronic devices based on the internal photoelectric effect.
European space telescope for characterizing exoplanets
Questions about stars which are moving through space with unusually high velocity relative to the surrounding interstellar medium.
Questions about the Chandra X-ray Obseravatory, the NASA satellite for X-ray astronomy.
Questions regarding the Nice Model of the Solar System's evolution.
Used for questions regarding a blackbody law that relates effective temperature and radius with luminosity.