Origin of our Solar system

Question 1

Presumes that the solar system began as a cloud of dispersed interstellar gas called nebula.

Answer 1

Nebular Hypothesis/ Kant-Laplace nebular hypothesis

Question 2

Key process of formation of planets

Answer 2

accretion

Question 3

Proposes that a star passed close enough to the sun creates huge tides and causes materials to be ejected

Answer 3

Planetesimal / Chamberlin-Moulton planetesimal hypothesis

Question 4

What do you call the smaller masses that quickly cooled and became numerous smaller bodies?

Answer 4

planetesimals

Question 5

Suggested that when a huge tidal wave was created from the sun’s collision with another star, a long filament was drawn out and detached from its principal mass.

Answer 5

The Jeans-Jeffrey’s Tidal theory

Question 6

A modified version of the nebular hypothesis which incorporates modern knowledge of matter formed independently by astronomers Gerard Kuiper and Carl Von Weizsacker

Answer 6

Protoplanet Theory

Question 7

Under the influence of turbulence and tidal action, the nebula broke into whirlpools of gas within a rotating mass called ______

Answer 7

Protoplanet

Question 8

Generated by our Sun’s powerful magnetic field

Answer 8

Solar Winds

Question 9

What are the two types of planets?

Answer 9

Terrestrial and Jovian planets

Question 10

What do you call hydrogen molecules that are exposed to immense heat and pressure? This is also the main component of Jupiter’s core

Answer 10

Metallic Hydrogen

Question 11

What is the name of the biggest asteroid found in the asteroid belt?

Answer 11

Ceres

Question 12

Which of the two are larger than the other? Asteroids or Meteors?

Answer 12

Asteroids

Question 13

A loose collection of rock materials that is composed of dust, water, and frozen gases

Answer 13

Comets