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.
Use for questions about observations of the Sun done with The Solar and Heliospheric Observatory (SOHO) spacecraft.
Questions regarding two stars that touch each other in a binary system.
Questions about centaurs, small Solar System bodies with orbits between Jupiter and Neptune.
Questions about particularly small natural satellites, such as the propeller moonlets embedded in Saturn's rings.
Questions about the conjectureed hybrid star, consisting of a red (super)giant with a neutron star at its core.
Questions related to Kuiper Belt Objects that exist in an annulus from 30AU to approximately 50AU from the Earth's Sun.
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 regarding the comet 67P/Churyumov-Gerasimenko.
Questions about the origin of life. Consider also using "astrobiology".
Questions regarding chthonians, a hypothesised class of exoplanets that are the remnant cores of hot Jupiters.
Questions about the Chandra X-ray Obseravatory, the NASA satellite for X-ray astronomy.
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.
Questions about the upcoming European Extremely Large Telescope.
Questions about planetary dust storms, such as those on Mars and Titan