Question

The outer solar system is the name of the

planets

beyond the asteroid belt. These planets

giants because they are made up of gas and

ice.

are called gas

2 The first stop of our tour is the fifth planet,

Jupiter.

Jupiter

is

bigger

made

than

three

hundred

Earths!

It is

up

of hydrogen

and helium

and

a

few other

gases.

There

are

violent

wind

storms

that circle

around

Jupiter.

The

mostfamous

storm is

called

the Great Red Spot. It has been churning

hundred

for morethan four

years already. At last count, Jupiter has sixty-three known

moons

and

a faint

ring

around

it

too.

Next in our

space neighbourhood

comes

Saturn.

It is

well-known

for the

series

of

beautiful

rings

that

3

circle it. They

are made

up

of tiny bits

of frozen

dirt

and

ice. Like

Jupiter,

Saturn

is

made

hydrogen and helium.

up

of

mostly

It is smaller though,

at only ninety-five times the size of Earth. Saturn has

Sixty-two moons.

4

The seventh planet, Uranus and its twenty-seven moons orbit very

helium

far from the sun. In addition to

and

hydrogen,

Uranus

atmosphere

also

contains ammonia ice and methane ice. It is

a very

cold

planet, with

no internal

heat source.

One of

the

strangest

things

abour Uranus

is

that

it

is

orbits

tipped

over

and

the sun on its side

at a

ninety-degree

angle.

The

twenty-seven

moons

it

has

orbit

from

top

bottom,

to

instead of left to

right

like our moon.

The eighth planet

is Neptune.

Like Uranus,

it is

made

up

of hydrogen,

helium,

ammonia

ice

and

methane ice.

But unlike

Uranus, Neptune

does have

an

inner

heat

source,

just

like Earth.

It radiates

twice

as much heat as it receives from the sun.

Neptune's

most distinctive

quality

is

its bluecolour.

Most of the

information we know about it came from

the Voyager

2

spacecraft passing

close

by

it in 1989.

Pluto is the last and was considered

a

planet

after

its

discovery

in

1930.

In 2006, Pluto was demoted

and

reclassified as a dwarf planet. Pluto exists

in

the

Kuiper

belt.

That's just

a fancy name for

the band

of

rocks, dust and ice that lies beyond the

gas giants.

Scientists

have found objects bigger than Pluto in this

belt. Thus, the outer solar system has many

secrets

to explore.

QUESTIONS

1OXI = 10 maks)

(a) On the basis of your reading of the passage, answer the following questions briefly

(i) What is the Great Red Spot?

(ii) How small is Saturn as compared to Jupiter?

(ii) Why the moons of Uranus are peculiar?

(iv) What is Neptune's unique quality which distinguishes

it from other 'gás giants'?

(v) What may have been the reason that in 2006 Pluto was demoted and reclassified as a dwarf planet?

(vi) Why are the planets beyond the asteroid belt called 'gas giants'?

(b) On the basis of your reading of the passage, complete the statements given below by choosing the

most appropriate option.

(i) The two gases which make up most of Jupiter and Saturn are.

(a) hydrogen and ammonia

(c) hydrogen and heliumn

(b) hydrogen

and methane

(d) None of these

(ii) The Kuiper belt is an area of rocks, dust, and ice that

.

(a) is between Jupiter and Saturn

c) includes Pluto

(b) is beyond Pluto

(d) surrounds Saturn's rings​

Answer 1

Answer:

Jovian planets or gas planets

Answer 2

Answer:

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