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.
On the Vernal exuinox it is the first day of spring (March 20th) and on an Atumnal equinox its the frist day of fall   The â¦ sun is vertically overhead the Equator, this occurs twice per year, once with the northen hemisphere heading towards the sun, and once with it heading away from the sun.he spring Equinox occurs on April 21 st. The fall Equinox is on September 21 st. The summer Solstice occurs on June 21 st and the winter Solstice occurs on December 21 st. 2 people found this useful.