Match the planetary body with its definition. a. planetesimals f. hot Jupiters b

Question

Match the planetary body with its definition.

a.

planetesimals

f.

hot Jupiters

b.

Jovian planets

g.

Terrestrial planets

c.

comets

h.

asteroids

d.

extrasolar planets

i.

protoplanets

e.

Kuiper belt objects

j.

meteor?

1.?the outer four gaseous planets of our Solar system

2. icy bodies with "tails" on a extreme elliptical orbit?

3 solid bits of matter that will eventually be made into protoplanets

a.

planetesimals

f.

hot Jupiters

b.

Jovian planets

g.

Terrestrial planets

c.

comets

h.

asteroids

d.

extrasolar planets

i.

protoplanets

e.

Kuiper belt objects

j.

meteor?

Explanation / Answer

1.(b) Jovian planets.

Reason : The outer four gaseous planets of our Solar system namely Jupiter, Saturn, Uranus and Neptune are known as Jovian planets. These planets are very large in size, mostly gaseous, less dense, have ring systems and lie further away from the Sun.

2.(c) Comets.

Reason : Comets are small icy bodies that orbit the Sun thus producing dust and gases on approaching the Sun. They have highly elliptical orbits and have tails.

3.(a) Planetesimals.

Reason : Planetesimals are the small bodies or solid bits of matter that initially formed from the solar nebula and that will be eventually made into protoplanets.

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