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 telescope attachments designed to block the direct light from a star.
Questions regarding K2, the secondary mission for the Kepler Space Telescope.
Questions regarding the hypothetical brown dwarf orbiting the Sun. It is theorized that this body periodically perturbs objects in the Oort Cloud, sending them toward the inner Solar System, causing m…
Questions about flow regime in astrophysical gas characterized by chaotic properties.
Questions regarding the Sombrero Galaxy, also known as M104 or NGC 4594. It is an unbarred spiral galaxy, part of the Virgo constellation.
Late Heavy Bombardment; occurring between 3.7-4 billion years ago when the inner solar system underwent heavy asteroidal impacts. Also know as the Lunar Cataclysm.
Questions regarding Callisto, an icy moon of Jupiter.
Use for questions on the chemial transformations of carbon-containing compounds on a planet. Consider using "astrobiology".
Questions about gas-giant exoplanets with long orbital periods
for questions that involve an RC (Ritchey–Chrétien) type of telescope
Questions regarding the New General Catalogue.
The Vera C. Rubin Observatory was formerly called the Large Synoptic Survey Telescope or LSST. The instrument itself is called the Simonyi Survey Telescope and "LSST" is now backronymed to be Legacy S…