In motion; characterized by motion. / Out of bed; up and about.

Used to form diminutive and pejorative nouns, labeling someone pretending to be what they are not.

pertaining or relating to astronomy / (figuratively) of very large or immense proportions; colossal

Navigation through space. / The science and technology of spaceflight.

Of or pertaining to astrophysics.

Of or pertaining to astronautics.

An astringent taste. / That which acts as an astringent, causing contraction of soft tissue to restrict the flow of blood.

plural of asthma attack

(sciences) The study of life anywhere in the universe, including the Earth.

(astronomy) An observational branch of astronomy, which deals with the study of X-ray emission from celestial objects.