Stars and the Solar System Test

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Stars and the Solar System Test - 32

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following heavenly bodies is different from others?

A
Ursa Major

B
Ursa Minor

C
Alpha Centauri

D
Scorpio

Solution

Alpha Centauri is the star system closest to the solar system being $$4.37$$ light years away from the Sun but Usra Minor, Ursa Major, and Scorpion is the group of stars that is inside the solar system.
Question 2
1 / -0

The nearest star to the Earth (apart from the Sun) is 'alpha centauri' which is about .......... away form the Earth

A
4.3 light years

B
3.26 light years

C
$$4.3 \times 10^{12}$$ km

D
$$3.26 \times 10^{15}$$ km

Solution

Alpha century is a star system closest to earth other than sun. Its distance from the earth is about $$4.367$$ light years.
Question 3
1 / -0

Which of the following is different from others?

A
light year

B
parsec

C
astronomical unit

D
micron

Solution
Question 4
1 / -0

Use figure given below that shows our Solar system to answer the given questions. The objects C and E are collectively called :

A
Jovian planets

B
Inferior planets

C
Superior planets

D
Gas giants

Solution

The planets which orbits are closer to the sun than the Earth are called Inferior planets. So as per the given figure the objects C and E are collectively called Inferior planets. The inferior planets are Mercury and Venus which orbits the Sun inside the Earth's orbit, plus a small number of recently discovered minor planets. All the other major planets, and the majority of the minor planets are superior planets.

The best time for observing an inferior planet is when it is at its greatest elongation from the Sun.
Question 5
1 / -0

All the stars appear to move from

A
west to east

B
east to west

C
north to south

D
south to north

Solution

As earth is rotating on its own axis from west to east and we observe stars from earth so due to relative motion star appears to move from east to west in opposite sense.
Question 6
1 / -0

Mass of Jupiter is ........... times that of Earth.

A
318

B
195

C
95

D
0.8

Solution

Mass of the jupiter is about $$318$$ times than that of earth.
Question 7
1 / -0

The planet having the largest diameter is

A
Jupiter

B
Saturn

C
Pluto

D
Mars

Solution

Jupiter is the largest planet in the universe. Its diameter is about $$1.3\times { 10 }^{ 5 }$$ km.
Question 8
1 / -0

During the day the surface temperature on moon is ___________.

A
$$-{100}^{o}C$$

B
$${100}^{o}C$$

C
$$-{168}^{o}C$$

D
$${168}^{o}C$$

Solution

During the day the surface temperature on moon is $$100^{\circ}C$$
Question 9
1 / -0

The hottest planet of the solar system is:

A
Mercury

B
Pluto

C
Jupiter

D
Venus

Solution

Venus is the hottest planet among the following. Venus is the second planet from the sun and has a temperature that is maintained at $$462 ^oC$$.
Question 10
1 / -0

The planet Jupiter is bulged at the centre and flattened at the poles because of ___________.

A
movement of gases

B
heaviness of the planet

C
rotation of the planet

D
revolution of the planet

Solution

As Jupiter is a gas giant, the rotational motion of the planet makes it flattened at the poles.

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Re-Attempt Weekly Quiz Competition

Stars and the Solar System Test - 32

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Stars and the Solar System Test - 32

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SHARING IS CARING

Question 1

Ursa Major

Ursa Minor

Alpha Centauri

Scorpio

Solution

Question 2

4.3 light years

3.26 light years

$$4.3 \times 10^{12}$$ km

$$3.26 \times 10^{15}$$ km

Solution

Question 3

light year

parsec

astronomical unit

micron

Solution

Question 4

Jovian planets

Inferior planets

Superior planets

Gas giants

Solution

Question 5

west to east

east to west

north to south

south to north

Solution

Question 6

318

195

95

0.8

Solution

Question 7

Jupiter

Saturn

Pluto

Mars

Solution

Question 8

$$-{100}^{o}C$$

$${100}^{o}C$$

$$-{168}^{o}C$$

$${168}^{o}C$$

Solution

Question 9

Mercury

Pluto

Jupiter

Venus

Solution

Question 10

movement of gases

heaviness of the planet

rotation of the planet

revolution of the planet

Solution

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