GK Solar System Quiz

Consider the following statements and choose correct answer:

Assertion (A): A black Hole is an astronomical entity that cannot be seen by telescope.
Reason (R): The gravitational field on a black hole is so strong that it does not allow even light to escape.

Codes:

Sun is at which stage?

The Milky Way is classified as_________.

Which star is closest to the Earth? (SUN is the closest but often ignored)

What does the color of the star indicate?

What is the difference between asteroids and comets?

1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.

Which of the statements given above is/are correct?

What is the most abundant element in the Solar System?

Outer planets are generally referred to as-

Select the correct order of timeline about the life of planets.

Which statement is true regarding the inner planets and the outer planets?

According to the Nebular Hypothesis, the formation of the following things take place in what order, left being the earliest.

Select the correct statements regarding the protoplanetary disc.

1. It contains about 98% of angular momentum.
2. It has a uniform concentration of elements throughout.
3. Its mass makes only about 0.1% of the solar system.

Which of the following is not the property of outer planets?

Some planets are known as terrestrial planets because –

Select the correct statements regarding the Solar Nebular Disk Model.

1. It explained the formation of the moon
2. It is a variant of the Nebular hypothesis
3. It explains the origin of terrestrial planets