Tag: asteroids, comets, and meteors and meteorites

Questions Related to asteroids, comets, and meteors and meteorites

The largest asteroid known to a man is _________.

evs our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. Vesta

  2. Ceres

  3. Chiron

  4. Trozan

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Correct Option: B

The Hallye's comet was sighted last in 1986. It will be seen again in the year ________.

evs our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. $2064$

  2. $2060$

  3. $2052$

  4. $2062$

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Correct Option: D

The heavenly body which revolves around a planet is called a ______________.

evs our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. comet

  2. star

  3. satellite

  4. nebulae

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Correct Option: C
Explanation:

Ans: Satellite

The age of our solar system is approximately

evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. $4600$ million years

  2. $4.6$ million years

  3. $460$ million years

  4. $460$ billion years

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Correct Option: A
Explanation:

Ans 4600 million years

The meteors seldom reach the earth because of :

evs our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. freezing caused when they pass through the atmosphere

  2. vapourization caused when they pass through the atmosphere

  3. greater force of attraction towards sun

  4. greater force of attraction towards moon

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Correct Option: B
Explanation:

Meteors seldom reach earth because of vapourization caused when they pass the atmosphere.

Ans:  vapourization caused when they pass the atmosphere.

Which of the following is NOT true for comets?

evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. Some comets are believed to have originated in a region near the edge of the orbit of the outer planets in our solar system called the "scattered disk" that overlaps a region called the Kuiper belt

  2. Some comets are believed to have originated in the outer-most region associated with our solar system, called the Oort cloud

  3. The tail of a comet gives the comet its propulsion, like rocket fuel out the back end of a rocket

  4. The tails of comets generally point away from the sun and are made of two major parts-a dusty part (that curves a bit) and an ionic part

  5. Comets often contain significant amounts of water

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Correct Option: A
Explanation:

In addition to celestial objects like $\textit{Comets}$, we also have  $\textit{Asteroids}$ which are small rocky bodies orbiting the sun and mostly found in the belt (region) between Mars and Jupiter. While there are also other asteroids lying beyond this region whose paths often come in close proximity with orbit of earth. \par Many a times collision between two asteroids, can result in small pieces breaking off from the bodies. These pieces are called $\textit{meteoroids}$. If a meteoroid enters the earth's atmosphere, it vaporizes and turns into a $\textit{meteor}$.

Which part of the solar system is farthest from the sun?

evs - i our earth and our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. Pluto

  2. The Oort cloud

  3. The asteroid belt

  4. The milky way

  5. The Kuiper belt

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Correct Option: B
Explanation:

In solar system, the Oort cloud is the farthest from the sun.

The tail of a comet is directed away from the sun because.

evs our solar system asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. The radiation emitted by the sun exerts a radial pressure on the comet throwing its tail away from the sun

  2. As the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail

  3. As the comet rotates around the sun, the lighter mass of the comet is pushed away due to the centrifugal force alone

  4. The tail of the comet always exists in the same orientation

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Correct Option: A

Fill in the blank:

The member of our solar system, with highly tilted orbit, is ________.

evs our earth and the space asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. Earth

  2. Pluto

  3. Mars

  4. Saturn

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Correct Option: B
Explanation:

Pluto has a highly tilted orbit, about $17^0$. This strange orbit gives Pluto some unusual characteristics, sometimes bringing it within the orbit of Neptune.

Plutons are the members of solar system with highly titled orbits. This statement is

evs our earth and the space asteroids, comets, and meteors and meteorites other objects in solar system asteroids, comets and meteors

  1. True

  2. False

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Correct Option: A
Explanation:

Answer is A.

The planet Pluto and objects beyond it are called Plutons and they are the new members of the solar system. The order of the Plutons is Pluto, Charon and 2003 UB.
Plutons have highly tilted orbits and take more than 200 years to revolve the sun.
Hence, the statement is true.