Tag: sunita's experience in space

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Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

The only natural satellite in the solar system which has its own atmosphere is:

  1. Europa

  2. Moon

  3. Titan

  4. Callisto
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Saturn moon also known as Titan is largest moon of Saturn and is only known to have a dense atmosphere and also the only object other than Earth and also the only object other than Earth were clear evidence of stable bodies of surface liquid have been found.

Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

Arrange the following according to the specific gravity of them in ascending order.
a)Saturn
b)Venus
c)Jupiter
d)Mars

  1. c,a,b,d

  2. a,c,d,b

  3. a,b,c,d

  4. d,c,b,a
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Specific gravity is measure to the density of the planet.

${ \rho  } _{ Saturn }<{ \rho  } _{ Jupiter }<{ \rho  } _{ Mars }<{ \rho  } _{ Venus }$
So answer is a,c,b,d

Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

Identify me:
I am having frozen carbon dioxide near the poles which look like caps.
I have two natural satellites.
I take 687 days to move once around the Sun.
I am rich in iron oxide.

  1. Jupiter

  2. Mars

  3. Uranus

  4. Pluto
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

These all are the properties of Mars.

$\longrightarrow $ Iron oxide Rich
$\longrightarrow $Revolution time $67$ days
$\longrightarrow $ two moon
$\longrightarrow $ frozen carbon dioxide
Answer is Mars.

Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

Polar ice caps of the planet mars are due to the:

  1. solidified carbon dioxide

  2. volcanoes erupted near the poles

  3. cover of dust particles that reflects light

  4. solidified water
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

During the winter freezing time the polar region are covered by caps which is of water, and carbon dioxide. They appear white.

Multiple choice evs - i our earth and our solar system solar system and sun planets and stars planets sunita's experience in space space exploration

The poles of this planet face the sun for longer periods of time than any other planet. 

  1. Mars

  2. Uranus

  3. Jupiter

  4. Saturn
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The pole of Uranus faces the Sun for longer period of time than any other planet as it axis is $98°$ and lies sideways therefore poles facing the Sun most of the time.