A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc. what does micrometeoroid mean in english? Micrometeoroid A micrometeoroid is a tiny meteoroid; a small particle of rock in space, usually weighing less than a gram.
During Equinoxes the tilt of the Earth (with respect to the Sun) is 0Â° and because of it duration of the day and the night are almost equal on Equinox day i.e. 12 hours. Equinoxes occur on 20th or 21st March and 22nd or 23rd September each year and both days has equal length of the day and the night.
not to scale). On the equinoxes the Sun shines directly on the equator and the length of day and night is nearly equal â but not quite. The March equinox marks the moment the Sun crosses the celestial equator â the imaginary line in the sky above the Earthâs equator â from south to north and vice versa in September.