Question

Define the following:
a. Star
b. Orbit
c. Geoid
d. Meteoroids
e. Galaxy

Pls answer it fast

Answer 1

a. star:-a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.

b.Orbit:- the curved path of a celestial object or spacecraft round a star, planet, or moon, especially a periodic elliptical revolution

c.Geoid:- a hypothetical solid figure whose surface corresponds to mean sea level and its imagined extension under (or over) land areas

d.Meteoroids:- a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.

e.Galaxy:- a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

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